MySQL DDL Operations: Difference between revisions
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SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='some_database'" | SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='some_database'" | ||
</syntaxhighlight> | </syntaxhighlight> | ||
==Create Database== | ==Create Database== |
Revision as of 06:04, 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';
SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='some_database'"
Create Database
CREATE DATABASE some_database;
Delete Database
DROP DATABASE some_database;