una ayudita...

[Manoloweb]

GRANT USAGE ON * . * TO "diver"@"localhost" IDENTIFIED BY "metallica";
REVOKE ALL PRIVILEGES ON `Juegos` . * FROM "diver"@"localhost";
REVOKE GRANT OPTION ON `Juegos` . * FROM "diver"@"localhost";
GRANT ALL PRIVILEGES ON `Juegos` . * TO "diver"@"localhost";