give premissions mysql code example

Example 1: grant all privileges mysql

/*
The GRANT statement is used to assign full control over specific database by providing all priviledge.
Follow below statement for assign priviledge to user
*/

Syntax: 
GRANT ALL PRIVILEGES ON database_name.* TO 'username'@'localhost';

Example 2: mysql user permission database

GRANT ALL PRIVILEGES ON `db_name`.* TO 'user'@'host'