select count(*) from zaiko where to_date(update,'YYYY-MM-DD HH24:MI:SS') between (now() - interval '3 Days') and now() ;
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select count(*) from zaiko where to_date(update,'YYYY-MM-DD HH24:MI:SS') between (now() - interval '3 Days') and now() ;
转载于:https://my.oschina.net/luqin/blog/673450