MySQL DDL Operations: Difference between revisions

From NovaOrdis Knowledge Base
Jump to navigation Jump to search
Line 36: Line 36:
=Check if a Database Exists=
=Check if a Database Exists=
<syntaxhighlight lang='sql'>
<syntaxhighlight lang='sql'>
SHOW DATABASES LIKE 'dbname';  
SHOW DATABASES LIKE 'some_database';  
</syntaxhighlight>
</syntaxhighlight>



Revision as of 05:54, 30 March 2021

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';

Create Database

CREATE DATABASE some_database;

Delete Database

DROP DATABASE some_database;