在一张表中如何删除与当前时间相差5分钟以上的记录，求sql语句
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delete 表 where datediff(mm,时间字段,getdate())> 5
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delete from tbl where dateidff(second,addtime,getDate())> =5
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delete * from tb where abs(datediff(minute,getdate(),时间字段)) > 5
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delete 表 where datediff(ss,时间字段,getdate())> 300
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delete from tb where abs(datediff(minute,getdate(),时间字段)) > 5
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看错了，如果是5分钟，把second改成minute