`Table_name` char(64) collate utf8_bin NOT NULL default '',
`Grantor` char(77) collate utf8_bin NOT NULL default '',
`Timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
`Table_priv` set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter','Create View','Show view') character set utf8 NOT NULL default '',
`Table_priv` set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter','Create View','Show view','Trigger') character set utf8 NOT NULL default '',
`Column_priv` set('Select','Insert','Update','References') character set utf8 NOT NULL default '',