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revoke all on *.* from 'Óû§Ãû'@'µÇ½»úÆ÷ip';
grant select,insert,update,delete table on test.* to 'Óû§Ãû'@'µÇ½µÄ»úÆ÷ip'
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revoke ALL on *.* from username;
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+-----------------------+---------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------------------+---------------+------+-----+---------+-------+
| Host | char(60) | NO | PRI | | |
| Db
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