What Is SQL Standard in MySQL

Q

What Is SQL Standard in MySQL?

✍: FYIcenter.com

A

SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation.

SQL became an ANSI standard, called SQL-87, in 1986.

ISO made a major revision, called SQL-92, in 1992.

The latest revision is SQL:2008.

⇒ Groups of Data Types in MySQL

⇐ Introduction to SQL Basics in MySQL

⇑ Introduction to SQL Basics in MySQL

⇑⇑ MySQL Database Tutorials

2018-04-21, 2690🔥, 0💬

Groups of Data Types in MySQL
How Many Groups of Data Types in MySQL? MySQL support 3 groups of data types as listed below: String Data Types - CHAR, NCHAR, VARCHAR, NVARCHAR, BINARY, VARBINARY, TINYBLOB, TINYTEXT, BLOB, TEXT, MEDIUMBLOB, MEDIUMTEXT, LONGBLOB, LONGTEXT, ENUM, SET Numeric Data Types - BIT, TINYINT, BOOLEAN, SMALL... 2018-04-21, 5164🔥, 0💬

Getting Help Information from the Server in MySQL
How To Get Help Information from the Server in MySQL? While you are at the "mysql>" prompt, you can get help information from the server by using the "HELP" command. The tutorial exercise below shows sevearal examples: >cd \mysql\bin >mysql -u root mysql> HELP; ... List o... 2018-02-08, 5082🔥, 0💬

Running "mysql" Commands from a Batch File in MySQL
How To Run "mysql" Commands from a Batch File in MySQL? If you have group of "mysql" commands that need to be executed repeatedly, you can put them into a file, and run them from the file in "mysql" batch mode. Here is a batch file, \temp\links.sql, contains following commands: USE test; INSERT INTO... 2018-02-08, 3526🔥, 0💬

Character String Data Types in MySQL
What Are Character String Data Types in MySQL? MySQL supports the following string data types: CHAR(n) same as CHARACTER(n) - Fixed width and " " padded characters strings. Default character set is ASCII. NCHAR(n) same as NATIONAL CHARACTER(n) - Fixed width and " " padded character strings with UTF8... 2018-04-12, 3226🔥, 0💬

Returning Query Output in HTML Format in MySQL
How To Return Query Output in HTML Format in MySQL? By default, "mysql" returns query output in text table format. If you want to receive query output in HTML format, you need to use the "-H" command option. Here is a good tutorial exercise: >cd \mysql\bin >mysql -u root -H test mysql&... 2018-02-08, 3191🔥, 0💬

Returning Query Output in XML Format in MySQL
How To Return Query Output in XML Format in MySQL? By default, "mysql" returns query output in text table format. If you want to receive query output in XML format, you need to use the "-X" command option. Here is a good tutorial exercise: >cd \mysql\bin >mysql -u root -X test mysql&am... 2018-04-21, 3150🔥, 0💬

Difference between CHAR and NCHAR in MySQL
What Are the Differences between CHAR and NCHAR in MySQL? Both CHAR and NCHAR are fixed length string data types. But they have the following differences: CHAR's full name is CHARACTER. NCHAR's full name is NATIONAL CHARACTER. By default, CHAR uses ASCII character set. So 1 character is always store... 2018-01-19, 3146🔥, 0💬

Difference between CHAR and VARCHAR in MySQL
What Are the Differences between CHAR and VARCHAR in MySQL? CHAR and VARCHAR are both ASCII character data types by default. But they have the following major differences: CHAR stores values in fixed lengths. Values are padded with space characters to match the specified length. VARCHAR stores value... 2018-01-19, 2986🔥, 0💬

Introduction to SQL Basics in MySQL
Where to find answers to frequently asked questions on Introduction to SQL Basics in MySQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Introduction to SQL Basics in MySQL. Clear answers are provided with tutorial exercises on character and nu... 2018-04-21, 2910🔥, 0💬

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