MySQL DDL Operations: Difference between revisions
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=Internal= | =Internal= | ||
* [[MySQL Operations#Subjects|MySQL Operations]] | * [[MySQL Operations#Subjects|MySQL Operations]] | ||
=Server Version= | |||
<syntaxhighlight lang='sql'> | |||
SELECT VERSION(); | |||
</syntaxhighlight> | |||
=Users= | =Users= | ||
==Display Users== | ==Display Users== | ||
| Line 7: | Line 11: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
==Create User== | ==Create User== | ||
<syntaxhighlight lang='sql'> | |||
CREATE USER 'someuser'@'localhost' IDENTIFIED BY 'somepassword'; | |||
</syntaxhighlight> | |||
==Grant to User All Privileges on a Database== | |||
<syntaxhighlight lang='sql'> | |||
GRANT ALL PRIVILEGES ON some_database.* TO 'someuser'@'localhost'; | |||
FLUSH PRIVILEGES; | |||
</syntaxhighlight> | |||
==Show Privileges== | |||
<syntaxhighlight lang='sql'> | |||
SHOW GRANTS FOR 'someuser'@'localhost'; | |||
</syntaxhighlight> | |||
==Delete User== | |||
<syntaxhighlight lang='sql'> | |||
DROP USER 'someuser'@'localhost'; | |||
</syntaxhighlight> | |||
=Database= | |||
==Display Databases== | |||
<syntaxhighlight lang='sql'> | |||
SHOW DATABASES; | |||
</syntaxhighlight> | |||
=Check if a Database Exists= | |||
<syntaxhighlight lang='sql'> | |||
SHOW DATABASES LIKE 'some_database'; | |||
</syntaxhighlight> | |||
<syntaxhighlight lang='sql'> | |||
SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='some_database'" | |||
</syntaxhighlight> | |||
==Create Database== | |||
<syntaxhighlight lang='sql'> | |||
CREATE DATABASE some_database; | |||
</syntaxhighlight> | |||
==Delete Database== | |||
<syntaxhighlight lang='sql'> | |||
DROP DATABASE some_database; | |||
</syntaxhighlight> | |||
=Tables= | |||
==Show Tables== | |||
Show the tables in the database. | |||
<syntaxhighlight lang='sql'> | |||
SHOW TABLES; | |||
</syntaxhighlight> | |||
==Create Table== | |||
{{Internal|SQL_CREATE_ALTER_DROP_TABLE#CREATE|Standard SQL Syntax}} | |||
=Views= | |||
==Create View== | |||
{{Internal|SQL_CREATE_ALTER_DROP_VIEW#CREATE|Standard SQL Syntax}} | |||
Latest revision as of 17:08, 23 May 2024
Internal
Server Version
SELECT VERSION();
Users
Display Users
SELECT USER FROM mysql.user;
Create User
CREATE USER 'someuser'@'localhost' IDENTIFIED BY 'somepassword';
Grant to User All Privileges on a Database
GRANT ALL PRIVILEGES ON some_database.* TO 'someuser'@'localhost';
FLUSH PRIVILEGES;
Show Privileges
SHOW GRANTS FOR 'someuser'@'localhost';
Delete User
DROP USER 'someuser'@'localhost';
Database
Display Databases
SHOW DATABASES;
Check if a Database Exists
SHOW DATABASES LIKE 'some_database';
SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='some_database'"
Create Database
CREATE DATABASE some_database;
Delete Database
DROP DATABASE some_database;
Tables
Show Tables
Show the tables in the database.
SHOW TABLES;