查看全局权限: select * from mysql.user
select * from mysql.user
查看库级别权限: select * from mysql.db
select * from mysql.db
mysql
查看表级别权限: select * from mysql.tables_priv
select * from mysql.tables_priv
查看列级别权限: select * from mysql.columns_priv
select * from mysql.columns_priv