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Oracle SQL Tutorial 33 - NUMBER Data Type
 
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This video we are going to discuss the NUMBER data type. The Number data type is used to store integers, and real numbers. When you create a column as a NUMBER, you can store pretty huge or pretty small numbers in this column. Now there are two things you need to consider when working with numbers, and that is the precision as well as the how big the number is. For example, we can store the number 9.9. This has two significant digits. We could also store the number 9.9 X 10^4. In this situation, the number is much larger, but the number of significant digits is the same. 9.9 are the significant digits. When we expand this out we just have 99000, and the zeros are just used for size and are not considered "significant" in this situation. In fact, you get a max precision of 38, but a maximum value of 9.99 * 10^125. You can also use this data type to store very small numbers. Check the docs for the specifics on maximums and minimums. You can provide it with two pieces of information: Precision - The total number of digits. Scale - The number of digits to the right of the decimal. You do it in this format: NUMBER (precision, scale). The important thing to remember in this is that when you specify a precision, you will be limiting the max size of the numbers. The secret behind this data type is that it is actually stored in scientific notation. That is we store a number and then we can multiply it by 10 raised to some power. This allows us to store much larger numbers without taking up a ton of space. The oracle docs actually gives a formula that you can use to see how much storage is going to be required for a specific NUMBER data type. How much precision can be used? The acceptable range is 1-38. What about scale? The range is actually -84 to 127. I'll explain the scale in more detail in an upcoming video. That's because there is a lot of confusing things here…What does it mean for the scale to be negative? How can we have a scale that is bigger that the total number of digits available through the precision. That's a topic for another video. It's important to understand that when we increase our scale, we decrease the max size of the number. For example if we have a precision of 5 and a scale of 3, the highest number we can store is 99.999. This is in contrast to a precision of 5 and a scale of 2 which allows for up to 99.999. Either way you get 5 significant digits, but the numbers of digits to the left and right of the decimal change. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 7225 Caleb Curry
Session6 Data type in Oracle
 
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Session 6: Datatypes In Oracle   ALPHABET           : A-Z , a-z NUMBER              : 0-9 (with precision and scale) DATE / Temporal  : any Date and time (Hours, Minutes, Seconds, Mili-seconds, Timestamp, Timezone etc)   Alphabet + Number = Alphanumeric Data                                     = String / CHARACTER Datatype Category Number                    =  Numeric Datatype Category Date                         = Date Datatype Category 1. CHARACTER Datatype: CHAR, VARCHAR, NCHAR: CHAR is fixed length datatype and VARCHAR is Variable length datatype to store character data. i.e. A-Z , a-z , 0-9 , all keyboard characters etc. The default size is 1 character and it can store maximum up to 2000 bytes. Example : EName, EmpID, PassportNo, SSN, etc. EName CHAR(10) := ‘TOM’; wastage of 7 space after the string EName VARCHAR(10) := ‘TOM’; Spaces can be Reuse which left after the string NCHAR additionally handles NLS(National Language Support). Oracle supports a reliable Unicode datatype through NCHAR , NVARCHAR2 , and NCLOB  VARCHAR2, NVARCHAR2: These are Variable length datatype. VARCHAR2 handles alphanumeric character string whereas NVARCHAR2 handles alphanumeric character string with NLS(National Language Support). The default size is 1 character and it can store maximum up to 4000 bytes.   LONG:  Variable length string.  (Maximum size: 2 GB - 1) Only one LONG column is allowed per table. RAW:    Variable length binary string (Maximum size 2000 bytes) LONG RAW: Variable length binary string (Maximum size 2GB) 2. NUMERIC Datatype: NUMBER: It stores Numeric values and performs numeric calculations. NUMBER,   NUMBER(n),   NUMBER(p,s) It stores Numbers up to 38 digits of precision. SeqNo NUMBER;                     1, 123, 12345678 EmpID NUMBER(4);                 1, 123, 1234 Sal NUMBER(7,2);                     23456.78 , 123.45 — correction in video: Sal NUMBER(a7,2); which is wrong please ignore. 1234567 can be a type of NUMBER, NUMBER(7), NUMBER(7,0) It can store both integer and floating point numbers NUMERIC(p,s) FLOAT:   Ex:  EmpSal FLOAT;    FLOAT(7)       Decimal Points allowed DEC(p,s), DECIMAL(p,s) , REAL, DOUBLE PRECISION INTEGER:   Ex:  SSN INTEGER;       Decimal Points are not allowed INT, SMALLINT 3. DATE Datatype: DATE: It stores DATE(Date, Month, Year) and Time(Hour, Minute, Second, AM/PM) and performs calculations with such data. Default DATE format in Oracle is “DD-MON-YY” Based on "Gregorian calendar" where the date ranges from “JAN 1 4712 BC” to “DEC 31 9999 AD” doj DATE;    “18-MAR-2010 12:30:00 PM” TIMESTAMP:    It can store all parameters as DATE datatype and additionally it can have “Fraction of seconds” and TIMESTAMP WITH TIMEZONE / TIMESTAMP WITHOUT TIMEZONE. Range from 0-9 digits, the default size is 6. 4. LOB Datatype: LOB: “Large Object” data. It can store pictures, motion pictures, Textfiles etc. CLOB: “Character Large Object” is used to store structured information like a text file with a specific file format. BLOB: “Binary Large Object” is used to store Un-structured information like Image, JPEG files, MPEG files etc. BFILE: “Binary File” is used to store the pointer to a specific file / Just store the location of a file. Maximum size: (4 GB - 1) * DB_BLOCK_SIZE initialization parameter (8 TB to 128 TB) Extra Information: NCLOB : It supports all the character set supported by CLOB and additionally it handles NLS(National Language Support ) Maximum size: (4 GB - 1) * DB_BLOCK_SIZE initialization parameter (8 TB to 128 TB) ROWID and UROWID(optional size) Datatype: contains fixed length Binary data. BBBBBBB.RRRR.FFFFF combination of BLOCK-ROW-DATABASE FILE Physical and Logical ROWID Upcoming Session: Session 7: Populating Data into Tables(INSERT Statement): Inserting data into all columns of a table Inserting data into Required columns of a table Inserting NULL value into a table Inserting Special Values(USER / SYSDATE) into a table Supplying data at runtime(using & and &&) THANK YOU :)
Views: 80 Prabhat Sahu
65. MODIFY COLUMN Data Type and Its Size with or Without Constraint in SQL (Hindi)
 
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Views: 6754 Geeky Shows
Oracle SQL Tutorial 23 - Intro to Data Types
 
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Every column within a table has to be given what is known as a datatype. A data type is a fairly simple concept when you dissect the word. It is literally the type of data. Why do we use types, though? The biggest benefit is so that Oracle knows how to interpret and work with our data. It also makes the database better at rejecting incorrect data. If we had to concept of a data type, there would be a lot more work involved in forcing data to be of the right format. It would also be harder for us to get the database to treat the data in the correct way. In addition to this, a database can optimize storage and performance for a column if everything is of the same data type. Because of this, each column can only support one data type. There are numerous different data types in Oracle and it helps us if we categorize them. The first types of datatypes we should learn about are: String, Numeric, Temporal Now, there are few more categories we could make, but these are the main ones. We will worry about the other ones another day as I am only introducing the topic. A string data type is anything within quotes. Most databases use single quotes for string data. Inside of the quotes can be any number of characters. What is a character? Think of any letter, number, or symbol you can type. Some people call these letters, numbers, and symbols alphanumeric. Numeric data type includes only numbers. These data types are often used for data that you plan on using for mathematical calculations. Temporal data types are data types that are used for dates and times. Now, each data type is probably going to have some options you'll need to worry about, but one that comes up with every data type is storage. The reason we need to consider storage is because we may end up with millions of rows in a table and the difference between a few bytes for each row will make a huge difference when we look at the whole picture. When a data type gives you the option of size, you will want to a size that will be able to hold what you need, but nothing more. In the upcoming videos we are going to discuss the available data types in more detail. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 6903 Caleb Curry
Oracle SQL Tutorial 24 - Important Data Types
 
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In the upcoming videos we are going to discuss data types in depth, but I don't want to drown you in all of the details. Because of that, I'm giving you this video which is going to introduce you to the most important data types. Then, in the upcoming videos, I'll describe them in more depth. One of the data types we've already discussed in this video is NUMBER. This data type is used to, obviously, store a number. It can be used to store integers (whole numbers), or numbers with decimals. There are two other numeric data types you should know of. BINARY_FLOAT and BINARY_DOUBLE are both numeric data types that are known as floating point numbers. A floating point number is often used for large numbers that have decimal places where it is acceptable to not be completely precise. What I mean by this is that these numbers can only store numbers correctly up to a certain decimal point. If you need perfect precision, you will want to use the NUMBER data type. Now storing numbers is good sometimes, but occasionally you will want to store string data. String data can be any sequence of characters, including numbers. By telling the database that a column is a string data type, the database knows how to treat that column. There are four important string data types that you need to know about. The first two are CHAR and NCHAR. These data types are used to store a fixed-length string. So for example, you can say you want to store 12 characters. This means that every value for this column will be exactly 12 characters. If you insert less than 12 characters, the data will be padded with spaces. This means you will want to use one of these data types when every value in the column is the same length. What is the difference between CHAR and NCHAR? CHAR uses what is known as ASCII while NCHAR uses Unicode. The difference is what characters are allowed and how much space each character takes. ASCII takes up less space but only supports English, numbers, and some symbols. UNICODE allows you to store characters from multiple languages but takes up more space. Those were both fixed-length string. What if you want to store data that changes in length? That is where VARCHAR2 and NVARCHAR2 come in. When it comes to storing dates, the data types that are most important are DATE and TIMESTAMP. Date can be used to store dates and time. Timestamp is a data type that can be used to store an exact moment in time. Lastly, there are interval types. These store a date range. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 5771 Caleb Curry
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : HOW TO CHANGE DATATYPE IN ORACLE SQL?
 
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This video contains a demonstration on how to change the datatype of a column containing data, the video shows two approaches through which any user can easily change the datatype of a column in a table, the video also helps in solving the Oracle ORA-01440 error.
Views: 941 Kishan Mashru
BigQuery: Big JOINs, Big GROUP BY, Timestamps
 
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Kim Cameron and Michael Manoochehri from the Google Cloud Platform DevRel team discuss BigQuery's "big" launch of some of our most requested developer features, including Big JOIN, Big Group Aggregations, the new Timestamp data type, and the ability to add columns to existing tables! New documentation updates as well.
Views: 4579 Google Developers
Difference between DateTime and DateTime2 in SQL Server
 
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datetime vs datetime2 sql server In this video we will discuss the difference between DateTime and DateTime2 in SQL Server The date range for DateTime is January 1, 1753, through December 31, 9999 where as for DateTime2 it is January 1, 0001, through December 31, 9999 The time range for DateTime is 00:00:00 through 23:59:59.997 where as for DateTime2 it is 00:00:00 through 23:59:59.9999999 Accuracy for DateTime is 3.33 Milli-seconds where as for DateTime2 it is 100 nanoseconds Storage size for DateTime is 8 Bytes where as for DateTime2 it is 6 to 8 Bytes (Depending on the precision required) The default value for both DateTime and DateTime2 is the same - 1900-01-01 00:00:00 DATETIME2 has a bigger date range than DATETIME. Also, DATETIME2 is more accurate than DATETIME. So I would recommend using DATETIME2 over DATETIME when possible. I think the only reason for using DATETIME over DATETIME2 is for backward compatibility. DateTime2 Syntax : DATETIME2 [ (fractional seconds precision) ] With DateTime2 Optional fractional seconds precision can be specified The precision scale is from 0 to 7 digits The default precision is 7 digits For precision 1 and 2, storage size is 6 bytes For precision 3 and 4, storage size is 7 bytes For precision 5, 6 and 7, storage size is 8 bytes Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/difference-between-datetime-and_21.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/difference-between-datetime-and_20.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 19822 kudvenkat
Importing Data from Excel into Oracle Database using SQL Developer 4.1
 
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One of SQL Developer’s most popular features has undergone a significant upgrade. Users can quickly define and recall delimited or Excel files to be imported to a new or existing Oracle table. Data preview and validation is provided for each column, as well as ‘best guess’ data type and date format mask mapping. This process can now be automated via the SQL Developer command line interface (SDCLI) ‘Import’ command. NOTE: This is a video only. There is no audio. Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
TABLESPACE MANAGEMENT GRANT REVOKE QUOTAS ON TABLESPACE FOR USERS
 
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How to grant/revoke quota for Users on Tablespace ================================================= create tablespace test datafile 'E:\DATABASE\DATABASE\ORADATA\ORCL\test.dbf' size 10m;---(tablespace created) create user naveen identified by naveen;(user created) alter user naveen quota 2m on test;(granted 2m on test tablespace) alter user naveen quota unlimited on test;(granted unlimited on test) How to revoke unlimited tablespace from user ============================================= revoke unlimited tablespace from &user; How to check the views on quotas ================================= select table_name from dict where table_name like '%QUOTA%'; Queries for tablespace quotas on all users ========================================== set lines 180 set pages 200 col tablespace_name for a30 col username for a20 select * from user_ts_quotas; set lines 180 set pages 200 col tablespace_name for a30 col username for a20 select * from dba_ts_quotas;
Views: 491 Praveen Biyyapu
Firebase Database Querying 101 - The Firebase Database For SQL Developers #3
 
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Learn more about qureying in the official documentation: https://goo.gl/iLDAvS Welcome to the third video in the Firebase Database for SQL Developers series! Querying may be less powerful in NoSQL databases than compared to SQL databases, but there's still a lot you can do with the Firebase Database. Watch more videos from this series: https://goo.gl/ZDcO0a Subscribe to the Firebase Channel: https://goo.gl/9giPHG
Views: 92136 Firebase
HIP15-TALK:Exploiting TCP Timestamps
 
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VEIT HAILPERIN https://www.hackinparis.com/bio-veit-hailperin
Views: 688 SysdreamLab
8. Describe Table in SQL (Hindi)
 
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Views: 41539 Geeky Shows
SQL Tutorial - SQL DATE Functions like GETDATE, DATEADD, CONVERT
 
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http://www.learningsqlserver2008.com/ https://youtu.be/KmsmPOImpHo - Date functions in SQL Server 2012 GETDATE -- Today's date DATEADD - adding time interval to an existing Date DATEPART - return part of the date like year or month DATEDIFF - Give you the different between two dates DAY - returns the day of the month MONTH - return the Month of the Year YEAR - returns the year in the Sql expression CAST - Converts an expression of one data type to another in SQL Server 2008 R2 CONVERT - Convert expressions of one data type to another in sql server r2 SQL Tutorial
Views: 56935 baghul
Can you flashback table into SYSTEM tablespace?
 
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Flashback feature in Oracle database is well known to roll back the table to a specific timestamp (depends on undo retention) or to restore dropped table and many more. We must have used this flashback feature so far on application schema objects and found working without any issues. As an Oracle DBA did you configure any tools (might be monitoring, RMAN catalog or any) with objects created in SYSTEM tablespace? If so, you probably would see some problems later when you need to use Flashback on these objects though they are not Oracle supplied objects. Let us go through a case study which will clearly explain you the functionality of Flashback table. Did you like the video? Subscribe now, Like it and share it. Looking for Oracle DBA training or services? redirect to www.orskl.com WhatsApp to +919951696808
Views: 1562 OrSkl Academy
Breville Barista Touch Espresso Machine In Depth Review
 
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This is an in-depth review of the Breville Barista Touch Espresso Machine, after using the machine personally for several months. I go over the details of the machine, brew an espresso then a cappuccino right out of the box. Then I brew an Americano and show you how easy that is. Then in the final section, I take you through the process of dialing in an espresso using this machine and create a really fantastic cappuccino. (Specific section navigation below) Get yourself a Breville Barista Touch Espresso Machine: https://amzn.to/2LoVk2u Navigate this episode using the following timestamp links: 0:42 - Overview of the Machine 10:43 - Picking a Coffee for Espresso + Setup for Brewing 13:26 - Making an Espresso 20:00 - Quick Adjustments to Espresso 20:34 - Cleaning Grouphead Post Brew (important) 22:17 - Menu Presets and Settings 23:05 - Making a Latte/Cappuccino 33:05 - Making an Americano 37:26 - Custom Brewing Presets and Advanced Settings 43:20 - Advanced Dialing in Espresso and Cappuccino Perfectly 57:30 - Manual Milk Frothing 1:00:23 - Conclusion Questions about the Breville Barista Touch Espresso Machine? Let me know below! I'm also planning to release this video into separate video segments in a playlist, for those who'd rather watch it in chunks.
Views: 6507 Coffee Lovers TV
Every VARCHAR2(N) Declaration a Bug!? (HC-4)
 
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That's right. VARCHAR2 declarations mean that you have to provide an "N" or constraint on the size of the variable. If you have such declarations all over your code, that's a form of hard-coding and you are likely to get hammered by VALUE_ERROR exceptions. This video shows you how to fix this problem, focusing in on the very helpful SUBTYPE feature of PL/SQL. ============================ Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
How to get digital clock at runtime in oracle forms
 
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...................................................Finish.................................................. To get my others videos just go to the link which is given below.. https://www.youtube.com/channel/UCFcOAx6xy6aQgKzJFaJ_8zQ Stay connected with information... Stay Connected with my tutorial.. Stay connected with updated reports tutorial... Keep learning about Oracle Databese ....... Thanks for watching... Subscribe my Channel : Mahfujur Rahman Subscribe my channel : Mahfujur Rahman Thanks For Watching MdMahfujur Rahman Database Design and Development IDB-BISEW IT Scholarship Project. 01673472384
Views: 3326 Mahfujur Rahman
Working with Oracle Managed File Transfer 12c - Monitoring File Transfers
 
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This video is an overview of the runtime features of the Oracle Managed File Transfer 12c product, which provides deployment, monitoring, and metrics for file transfers. For related information, see https://oracle.com/oll/soa. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
How to delete old files in linux based system timestamp
 
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http://dbacatalog.blogspot.com
Views: 285 dbacatalog
how to create database ,table  with primary key and auto increment in phpmyadmin
 
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This video explain how to create database and table and primary and auto increment in phpmyadmin
Views: 51066 expert programming
78. DELETE recods in Table in SQL (Hindi)
 
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Views: 5967 Geeky Shows
Official Dash Cam Pro Instructional Video | As Seen On TV
 
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Official Dash Cam Pro Instructional Video | As Seen On TV
Views: 76318 OfficialAsSeenOnTV1
Slowly Changing Dimension Type 2 Illustration Using Informatica - By Mohan Vamsi Pentakota
 
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SCD Type 2 Illustration Using Informatica - By Mohan Vamsi Pentakota (Slowly Changing Dimension Type 2)
Views: 110158 MyDream MyLife
Types and Variables in Java
 
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Views: 287 T3SO Tutorials
How to change Windows 10 screen size in VMware - Install VMware Tools in a Windows guest
 
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In this video I am going to show you how to Fit a Windows Guest Operating System's Display to the VMware and also I am going to show how to To install VMware Tools in a Windows guest operating system. My Website - http://www.codebind.com My Blog - https://goo.gl/Nd2pFn My Facebook Page - https://goo.gl/eLp2cQ Google+ - https://goo.gl/lvC5FX Twitter - https://twitter.com/ProgrammingKnow Pinterest - https://goo.gl/kCInUp Text Case Converter - https://goo.gl/pVpcwL Epoch Timestamp Converter - https://goo.gl/Zedjo5 Decimal - Binary - Hexadecimal Converter - https://goo.gl/rkX3JE 8-bit Checksum Calculator - https://goo.gl/inxvIT
Views: 19000 ProgrammingKnowledge2
How to change the size of Ubuntu screen in VMware - Install VMware Tools in a Ubuntu guest
 
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In this video I am going to show you how to Fit a Ubuntu Guest Operating System's Display to the VMware and also I am going to show how to To install VMware Tools in a Ubuntu guest operating system. My Website - http://www.codebind.com My Blog - https://goo.gl/Nd2pFn My Facebook Page - https://goo.gl/eLp2cQ Google+ - https://goo.gl/lvC5FX Twitter - https://twitter.com/ProgrammingKnow Pinterest - https://goo.gl/kCInUp Text Case Converter - https://goo.gl/pVpcwL Epoch Timestamp Converter - https://goo.gl/Zedjo5 Decimal - Binary - Hexadecimal Converter - https://goo.gl/rkX3JE 8-bit Checksum Calculator - https://goo.gl/inxvIT
Views: 9164 ProgrammingKnowledge2
72. SHOW COLUMNS in SQL (Hindi)
 
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Views: 5277 Geeky Shows
How to Connect MySQL and Query tables in command line Unix
 
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Learn how to connect to MySQL and Select Database and tables in command line.
Views: 309 AKS Tamil
Horizontal fragmentation in Hindi | Distributed Database Tutorials
 
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Video Credit goes to Adwait sharma Notes coming soon visit our website for full course www.lastmomenttuitions.com NOTES FORM : https://goo.gl/1aQtNc Introduction to Distributed Database : https://goo.gl/JHdpz8 Design Issues in Distributed database : https://goo.gl/aHFe8k Architectures in Distributed database : https://goo.gl/ETL5Ku Fragmentation and correctness rules : https://goo.gl/nbhq5T Horizontal fragmentation : https://goo.gl/N1rvgR Vertical fragmentation : https://goo.gl/tmNxY8 Derived horizontal fragmentation : https://goo.gl/LJ7cvV Query processing cost : https://goo.gl/uUL9de Concurrency Control Protocol : https://goo.gl/XC6oc9 Locking Based Concurrency : https://goo.gl/nrCctM Dead Lock and its Prevention Techniques : https://goo.gl/Nm7Gr6 Dead Lock Detection Method : https://goo.gl/yZxue8 Two Phase commit Protocol: https://goo.gl/6fjYrM Three Phase commit protocol : https://goo.gl/bbFHqV Phases of Distributed Query Processing : https://goo.gl/zUetvK whatsapp: 7038604912 more videos coming soon subscribe karke rakho tab tak
Views: 10235 Last moment tuitions
Columnar Store for PostgreSQL Using cstore_fdw Webinar
 
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This webinar gives an in-depth guide to cstore_fdw, an open source PostgreSQL extension which lets you store tables in columnar form. Columnar storage differs from row-based storage by storing the data in a column in contiguous blocks on disk in compressed form, as opposed to storing each row separately. Columnar storage can significantly reduce storage size, memory footprint, and I/O utilization for on-line analytical processing (OLAP) workloads. We take a closer look at the ORC storage format that cstore_fdw uses and discuss key features such as skip-list indexes. We then demonstrate how to set up a database that has both columnar and row-based tables which can even be joined together, a feature we believe is unique to PostgreSQL. During the demo, we also show a significant reduction in storage size when using cstore_fdw tables to store JSONB (known for its high storage overhead). Finally, we give a number of recommendations for tuning cstore_fdw and the type of workloads for which it is best suited. To download the webinar slides, visit www.citusdata.com/resources/webinars/columnar-store-postgresql-using-cstorefdw.
Views: 1227 Citus Data
Data Types Used in SQL Server 2012: Dates and "Other"
 
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This video is part of LearnItFirst's SQL Server 2012: A Comprehensive Introduction course. More information on this video and course is available here: http://www.learnitfirst.com/Course170 In this final video about Data Types used in SQL Server 2012, Scott covers the different data types associated with Dates, as well as examples of when to use each. In the last part of the video, "other" data types used in SQL Server 2012 that are important but don't necessarily have a defined category. Highlights from this video: - What are the different types of Temporal data types and their storage sizes? - In what different ways does SQL Server 2012 allow you to store the date and time in a column? - When is it advisable to use datetimeoffset rather than datetime2? - What are the other data types use in SQL Server 2012? and much more...
Views: 2479 LearnItFirst.com
Oracle DBA Lite: an introduction to Oracle administration, part 3
 
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CAPTIONS AVAILABLE - Tablespace and datafile management in an Oracle database.
Views: 9356 roughsealtd
Let's Learn Teradata Lesson 39: Columnar Tables!
 
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Explore Teradata with Tera-Tom of Coffing Data Warehousing! In this lesson, learn more about Columnar Tables!
14.528 Query Execution Models, Function Calls vs Pipelining, Pipeline Breakers
 
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Video for my inverted classroom "Database Systems". The complete list of videos, slides, and additional material is (will be) available at http://datenbankenlernen.de Computer Science, Saarland University: Bachelor (in German): http://www.cs.uni-saarland.de/index.php?id=52&L=1 Master (in English): http://www.cs.uni-saarland.de/index.php?id=132&L=1 Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/
Oracle DBA Lite: an introduction to Oracle administration, part 5
 
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CAPTIONS AVAILABLE - The key topic of backups with RMAN - an exploration of what the "backup" and "restore" scripts provided with Oracle Express hide, and an introduction to Oracle's recovery manager (RMAN).
Views: 5907 roughsealtd
SDU Tools   37   Format Data Type Name in T-SQL
 
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SDU Tools are free tools for SQL Server developers and DBAs. This tool is used to format the name of a data type (involving maximum length, precision, and scale) as is needed when scripting database objects like tables. You'll find more info about SDU Tools and download details at http://www.sqldownunder.com/Resources/SDUTools
Views: 28 SQL Down Under
80. Copy Old Table to New Table different Database in SQL (HIndi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 5316 Geeky Shows
37. NOT BETWEEN Date in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 6215 Geeky Shows
Top 25 My Sql Interview Question And Answers For Freshers
 
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What is MySQL? A:MySQL is an open source DBMS which is built, supported and distributed by MySQL AB What are the technical features of MySQL? A:MySQL database software is a client or server system which includes Multithreaded SQL server supporting various client programs and libraries Why MySQL is used? A:MySQL database server is reliable, fast and very easy to use. This software can be downloaded as freeware and can be downloaded from the internet. What are Heap tables? A:HEAP tables are present in memory and they are used for high speed storage on temporary basis. What is the default port for MySQL Server? A:The default port for MySQL server is 3306. What are the advantages of MySQL when compared with Oracle? A:MySQL is open source software which is available at any time and has no cost involved. MySQL is portable GUI with command prompt. Administration is supported using MySQL Query Browser Differentiate between FLOAT and DOUBLE? A:Floating point numbers are stored in FLOAT with eight place accuracy and it has four bytes. Floating point numbers are stored in DOUBLE with accuracy of 18 places and it has eight bytes. Differentiate CHAR_LENGTH and LENGTH? A:CHAR_LENGTH is character count whereas the LENGTH is byte count. The numbers are same for Latin characters but they are different for Unicode and other encodings. How to represent ENUMs and SETs internally? A:ENUMs and SETs are used to represent powers of two because of storage optimizations. What is the usage of ENUMs in MySQL? A:ENUM is a string object used to specify set of predefined values and that can be used during table creation. Define REGEXP? A:REGEXP is a pattern match in which matches pattern anywhere in the search value. Difference between CHAR and VARCHAR? A:When CHAR values are stored then they are right padded using spaces to specific length. Trailing spaces are removed when CHAR values are retrieved. Give string types available for column? A:The string types are: SET BLOB ENUM CHAR TEXT VARCHAR How to get current MySQL version? A:SELECT VERSION (); is used to get the current version of MySQL. What storage engines are used in MySQL? A:Storage mechanism Locking levels Indexing Capabilities and functions. What are the drivers in MySQL? A:PHP Driver JDBC Driver ODBC Driver C WRAPPER PYTHON Driver PERL Driver RUBY Driver CAP11PHP Driver Ado.net5.mxj What does a TIMESTAMP do on UPDATE CURRENT_TIMESTAMP data type? A:TIMESTAMP column is updated with Zero when the table is created. UPDATE CURRENT_TIMESTAMP modifier updates the timestamp field to current time whenever there is a change in other fields of the table. What is the difference between primary key and candidate key? A:Primary Key is also a candidate key. By common convention, candidate key can be designated as primary and which can be used for any foreign key references. How do you login to MySql using Unix shell? A:We can lo What does myisamchk do? A:It compress the MyISAM tables, which reduces their disk or memory usage. How do you control the max size of a HEAP table? A:Maximum size of Heal table can be controlled by MySQL config variable called max_heap_table_size. What is the difference between MyISAM Static and MyISAM Dynamic? A:In MyISAM static all the fields will have fixed width. The Dynamic MyISAM table will have fields like TEXT, BLOB, etc. to accommodate the data types with various lengths. What are federated tables? A:Federated tables which allow access to the tables located on other databases on other servers. What, if a table has one column defined as TIMESTAMP? A:Timestamp field gets the current timestamp whenever the row gets altered. What happens when the column is set to AUTO INCREMENT and if you reach maximum value in the table? A:It stops incrementing. Any further inserts are going to produce an error, since the key has been used already.
Views: 19397 Latestoffcampus
Oracle DBA Lite: an introduction to Oracle administration, part 2
 
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CAPTIONS AVAILABLE - Second installment in a series of videos to turn Oracle DBA wannabes into (with a little practice) decent junior DBAs. It's based on the (free) Oracle Express edition but everything that is shown applies to other Oracle editions as well.
Views: 13281 roughsealtd
SQL Data Types
 
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Dr. Rob Edwards from San Diego State University discusses the different data types that can be used with SQL. Also see this comparison chart of different datatypes http://www-rohan.sdsu.edu/~edwardsr/classes/CS503/sqldatatypes.pdf
Views: 5338 RobEdwardsSDSU
How to collect Avaya Aura Contact Center (AACC) Logs for different components?
 
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This Video demonstrates on collecting AACC logs for different components for specific timestamp. Produced by: Laxmi Bhardwaj
Views: 1634 Avaya Mentor
In-Memory Columnar Store extension for PostgreSQL
 
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by Konstantin Knizhnik IMCS is In-Memory Columnar Store for PostgreSQL. Vertical data model is more efficient for analytic queries performing operations on entire column. IMCS provides 10-100 times improvement in performance comparing with standard SQL queries because of: data skipping: fetching only data needed for query execution parallel execution: using multiple threads to execute query vector operations: minimizing interpretation overhead and allowing SIMD instructions reduced locking overhead: simple array level locking no disk IO: all data is in memory IMCS is implemented as standard PostgreSQL extension. It provides set of function and operators for manipulations with timeseries. Some of them are analog of standard SQL operators (arithmetic, comparisons, sorting, aggregation...). But there are also complex analytic operators like calculation of ranks, percentiles, cross points and extended set of aggregates for financial application like split-adjusted price, volume-weighted average price, moving average... Columnar store manager stores data tables as sections of columns of data rather than as rows of data.In comparison, most relational DBMSs store data in rows. Such approach allows to load the whole record using one read operation which leads to better performance for OLTP queries. But OLAP queries are mostly performing operations on entire columns, for example calculating sum or average of some column. In this case vertical data representation is more efficient. Columnar store or vertical representation of data allows to achieve better performance in comparison with horizontal representation due to three factors: * Data skipping. Only columns involved in query are accessed. * Vector operations. Applying an operator to set of values minimize interpretation cost. Also SIMD instructions of modern processors accelerate execution of vector operations. Compression of data. For example such simple compression algorithm like RLE allows not only to reduce used space, but also minimize number of performed operations. IMCS is first of all oriented on work with timeseries. Timeseries is sequence of usually small fixed size elements ordered by some timestamp. Operations with timeseries rarely access some particular timeseries element, instead of it them operate either with whole timeseries either with some time interval. Such specific of timeseries operation requires special index for timeseries, which is different from traditional database indexes. Such index should not provide efficient way of locating arbitrary timeseries element. Instead of it this index should be able to efficiently extract range of timeseries elements. Advantages of IMCS approach: Fast execution based on vector operations Parallel execution of query No changes in PostgreSQL core (just standard extension) No MVCC overhead (MURSIW isolation level) No disk IO (in-memory store) Optimized for timeseries (massive operations with time slices)
Views: 1972 Andrea Ross
More Storm Effects, Fire | S0 News Sept 14, 2015
 
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Observing the Frontier Conference: Pittsburgh: https://www.eventjoy.com/e/suspicious0bservers Phoenix: https://www.eventjoy.com/e/otf www.Suspicious0bservers.org  www.SpaceWeatherNews.com www.MagneticReversal.org www.ObservatoryProject.com www.EarthChangesMedia.com Solar Alerts on Twitter: https://twitter.com/TheRealS0s Good Videos/Articles: The Sun is Going to Sleep: https://www.youtube.com/watch?v=7whL9jvdL5s Discussing Earthquakes with Kongpop: https://www.youtube.com/watch?v=ThCUZtzfA1c Earth's Magnetic Reversal: https://www.youtube.com/watch?v=sIayxqk0Ees Top 6 Climate Change Problems: https://www.youtube.com/watch?v=4Ew05sRDAcU Pause on Pausing the Pause: https://www.youtube.com/watch?v=CZH46p7MUlw Sun Series: http://www.youtube.com/playlist?list=PLHSoxioQtwZcJj_9clLz7Bggso7qg2PDj STARWATER Article: http://wavechronicle.com/wave/?p=1151 S0 Notes on Solar Shutdown: http://www.suspicious0bservers.org/fotw-s0-notes-february-13-2014/ IPCC History: http://www.suspicious0bservers.org/selections-from-the-1st-ipcc-full-report-wg1/ Today's Featured Links: Colima Volcano: http://www.sciencedaily.com/videos/5ee01e387880475fafd7045a48890576.htm N. Cali Fire: http://www.theguardian.com/us-news/2015/sep/13/california-lake-county-wildfire-size Original music by NEMES1S WORLD WEATHER: Earth WindMap: http://earth.nullschool.net/#current/wind/isobaric/850hPa/orthographic=-345.32,51.43,481 Global Maps: http://www.atmos.albany.edu/student/kgriffin/maps/ NDBC Buoys: http://www.ndbc.noaa.gov/ HurricaneZone Satellite Images: http://www.hurricanezone.net/westpacific/animations.html NOAA Environmental Visualization Laboratory: http://www.nnvl.noaa.gov/Default.php Satellite Maps: http://www.woweather.com/cgi-app/satellite?LANG=us&CONT=namk Forecast Maps: http://www.woweather.com/weather/maps/forecastmaps?LANG=us&CONT=usus TORCON: http://www.weather.com/news/tornado-torcon-index [Tornado Forecast for the day] HURRICANE TRACKER: http://www.weather.com/weather/hurricanecentral/tracker GOES Satellites: http://rsd.gsfc.nasa.gov/goes/ THE US WINDMAP: http://hint.fm/wind/ Severe Weather Threats: http://www.weather.com/news/weather-severe/severe-weather-tracker Canada Weather Office Satellite Composites: http://www.weatheroffice.gc.ca/satellite/index_e.html Temperature Delta: http://www.intellicast.com/National/Temperature/Delta.aspx Records/Extremes: http://www.ncdc.noaa.gov/extremes/records/ SOHO Solar Wind: http://umtof.umd.edu/pm/ Planetary Orbital Diagram - Ceres1 JPL: http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=ceres;orb=1;cov=0;log=0;cad=0#orb SDO: http://sdo.gsfc.nasa.gov/data/ Helioviewer: http://www.helioviewer.org/ SOHO: http://sohodata.nascom.nasa.gov/cgi-bin/soho_movie_theater Stereo: http://stereo.gsfc.nasa.gov/cgi-bin/images iSWA: http://iswa.gsfc.nasa.gov/iswa/iSWA.html NASA ENLIL SPIRAL: http://iswa.gsfc.nasa.gov:8080/IswaSystemWebApp/iSWACygnetStreamer?timestamp=2038-01-23+00%3A44%3A00&window=-1&cygnetId=261 Gamma Ray Bursts: http://grb.sonoma.edu/ BARTOL Cosmic Rays: http://neutronm.bartol.udel.edu//spaceweather/welcome.html ISWA: http://iswa.ccmc.gsfc.nasa.gov:8080/IswaSystemWebApp/ GONG: http://gong2.nso.edu/dailyimages/ GONG Magnetic Maps: http://gong.nso.edu/data/magmap/ondemand.html MISC Links: JAPAN Radiation Map: http://jciv.iidj.net/map/ RADIATION Network: http://radiationnetwork.com/ LISS: http://earthquake.usgs.gov/monitoring/operations/heliplots_gsn.php QUAKES LIST FULL: http://www.emsc-csem.org/Earthquake/seismologist.php RSOE: http://hisz.rsoe.hu/alertmap/index2.php [That cool alert map I use] Moon: http://www.fourmilab.ch/earthview/pacalc.html
Views: 33690 Suspicious0bservers
SQL 061 Data Types, Sample Data Type Values
 
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Examples of sample data type values. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 699 cbtinc
MySQL Data Types 6 - Decimals, Floats, and Doubles
 
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Donate!: http://bit.ly/DonateCTVM2. Videos Available for Download - http://www.udemy.com/calebthevideomaker2-database-and-mysql-classes/ Playlist - http://www.youtube.com/watch?v=krx-w9icrkU&list=PL405B31DD586979DE Manual: Decimal: http://dev.mysql.com/doc/refman/5.6/en/fixed-point-types.html floating point: http://dev.mysql.com/doc/refman/5.6/en/floating-point-types.html Decimal(M, D) precision is how many digits are in the number, and scale is how many digits after the decimal. defaults are 65 and 35 decimals are accurate up to about 7 digits. doubles are accurate up to about 15 digits. More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://Twitter.com/calebCurry Subscribe (it's free!): http://bit.ly/PqPyvH Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 4123 Caleb Curry
How Do I Get Love I NEED ?    Pick a Card Sequel
 
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Pick a Card. How Do I Obtain The Love I Need? Sequel to What Kind of Love Do I Need? Welcome to my channel.  I am The Real Aquarian and I am an intuitive tarot reader. Tarot provides a way to find direction and guidance within all  aspects of life. Although these are general readings, I hope that I can reach and resonate with as many of you  as possible.  Please like, share, comment, and subscribe. I would love to hear from you.  I am eternally grateful and appreciate every single viewer out there. Timestamp CARD 1 The Garlic 1:30 CARD 2 Tomato 6:06 CARD 3 Potato 10:48 If you would like to make a donation here is the link to help support and grow my channel. I appreciate every single one of you. Thank you paypal.me/therealaquarian The deck used in this reading is: The Golden Tarot by Kat Black gifted from my sponsor www.lggiftsandgoodies.com Follow me on Instagram for written out reads: @the_real_aquarian Sign up here for updates:  http://eepurl.com/dwWY45 Please visit my blog and sponsor here:  https://lggiftsandgoodies.com/blogs/ladies-and-gentlemen Please remember that these are general readings; they will not/cannot resonate with everyone. #tarot #tarotcommunity #pick a card #love
Views: 222 The Real Aquarian
Chapter 28 - What are Identity Columns in IBM DB2 Database
 
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Introduction into IBM DB2 Database The IBM DB2 Database for Administrators training series will address future DBA who want to understand the aspects of DB2 ecosystem. Will train their administration skill and develop skill that will be used in the work enviroment. IBM DB2 is the database of choice for enterprise-wide solutions. Optimized to deliver industry-leading performance while lowering costs, IBM DB2 offers extreme performance, flexibility, scalability and reliability for any size organization. db2 database | ibm db2 express | db2 tutorial | db2 sql | db2 connect | what is db2 | db2 express | db2 sqlcode | sqlcode db2 | db2 express | Db2 Commands | db2 connect | db2 connect to database | db2 connection string | what is db2 | More Articles, Scripts and How-To Papers on http://www.aodba.com
Views: 325 AO DBA
Data Types in Java
 
04:59
java data type, java data types, java data types and variables, java data types by durga, java data type conversions, java data type validation, java data types interview questions, java data type in hindi, java data types hackerrank solution, java data types in tamil, java data types and ranges, java data type range, abstract data type java, generic data type java, byte data type java, character data type java, data type in java by durga, java boolean data type, char data type java, data type in core java, abstract data type java example, data type in java in hindi, data type of java, primitive data type java, java data types hindi, java data types conversion, java data types explained java data types java data types size java data types chart java data type for money java data type ranges java data type long java data type for percentage java data type conversion java data type to hold 1 billion java data types examples java data type sizes java data type string java data type date java data type for timestamp java data type and size java data type array java data type as parameter java data type arraylist java data types and variables java data types and operators java data types and examples java data types and operators ppt java data types and their size in bytes java data types all range of java data types list of java data types working with java data types byte in java data type string in java data type examples of java data types binary in java data type built in java data types definition of java data types date in java data type java data type byte java data type bigdecimal java data type boolean java data type byte example java data type biginteger java data type binary java data type byte size blob datatype in java datatype bigger than long in java java data type bit size java data type char java data type conversion chart java data type currency java data type class java data type cheat sheet java data type converter java data type check java data type character java data type compatibility java c data types c vs java data types difference between c and java data types java data type double java data type dictionary java data type declaration java data type default values java data type datetime java data type double range java data type definition java data type double example java data types double vs float java data type examples java data type exception java data type exercises java data type enum java data type explanation java data type email java byte data type example java abstract data type example java char data type example java double data type example java e data type java data type for decimal java data type for date java data type for large numbers java data type float java data type for datetime java data type for clob java data type for mysql datetime java data type greater than long java data type generic java data type for gender java primitive data types garbage collection java get data type java get data type of object java guid data type java graph data type java get data type from string java geography data type java data type hierarchy java data type hex java data type hindi java data type hash java data type hashmap java data type how to java data types hackerrank solution java data types hibernate java data type to hold billion java primitive data types hierarchy java data type int java data type interview questions java data type in hindi java data type ip address java data type image java data type int range java data type interface java data type integer long java data type in java data types in order java data type json java data types javatpoint java jdbc data type mapping java data type key value pair java data type key value java key data type java map key data type java data type length java data type larger than long java data type list java data type larger than string java data type long int java data type long double java data type long integer java data type literals java data types large numbers java data type max values java data type money
Views: 281 T3SO Tutorials

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