SELECTGROUP_CONCAT(CONCAT('ALTERTABLE',TABLE_NAME,'ENGINE=ARCHIVE;')SEPARATOR'')FROMinformation_schema.TABLESAStWHERETAB
SELECT GROUP_CONCAT(CONCAT( 'ALTER TABLE ' ,TABLE_NAME ,' ENGINE=ARCHIVE; ') SEPARATOR '' )
FROM information_schema.TABLES AS t
WHERE TABLE_SCHEMA = 'userinfo' AND TABLE_TYPE = 'BASE TABLE'
-- 将语句粘出来，执行；