/*9. How to revoke specific privilege from a user.
*/
/*Syntax :

revoke [<permission_1,permission_2,...permission_n>|<all privileges>] 
on [database].[<table_name>|<all_tables(*)>] 
from [user name]@[<localhost>|<IP address>|<any host('%')>];
*/


revoke select on posts.* from joy@'%';
flush privileges;