mysql 删除claim_id

DELETE  FROM claim_1 
WHERE ClaimId IN
(SELECT claimid FROM claim t
where t.AcceptTime <'2018-01-01')

DELETE FROM accidentvehicle  
WHERE ClaimId IN
(SELECT claimid FROM claim t
where t.AcceptTime < '2018-01-01' )

DELETE FROM claim_1 where AcceptTime <'2017-01-01' ;