CREATE USER ‘jeffrey‘@‘localhost‘ IDENTIFIED BY ‘mypass‘; GRANT ALL ON db1.* TO ‘jeffrey‘@‘localhost‘; GRANT SELECT ON db2.invoice TO ‘jeffrey‘@‘localhost‘; ALTER USER ‘jeffrey‘@‘localhost‘ WITH MAX_QUERIES_PER_HOUR 90;
原文：http://www.cnblogs.com/yimiyan/p/5219238.html