
select * from tb where date_format(ct,'%Y-%m-%d') like '2016-08%'
--不是练习题吧?create PROCEDURE test()
BEGIN
DECLARE count1 int default 0
DECLARE tempParam VARCHAR(15)
SET tempParam=DATE_FORMAT(NOW(),'%Y%m%d%H%i%s')
SELECT count(*) INTO count1 FROM test1
PREPARE stmt1 FROM 'update test1 set photodate=? ORDER BY id LIMIT ?'
set @p1=tempParam
set @p2=count1
EXECUTE stmt1 USING @p1,@p2
END
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