give specific database permission to specific user 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: assign user to database mysql

GRANT type_of_permission ON database_name.table_name TO ‘username’@'localhost’;