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sqlserver 一张表两列都的值都相同处理

Jun 07, 2016 pm 03:46 PM
sqlserver wi two columns deal with Enter

欢迎进入Windows社区论坛,与300万技术人员互动交流 >>进入 今天业务需要,网上没找到 最后写出来了就留个印以备查阅 #T1表中 A,B 列 至少三行都相同的数据 SELECT * FROM #T1 t1 WHERE ( SELECT COUNT(*) FROM( SELECT DISTINCT A,B FROM #T1 WHERE A=t

欢迎进入Windows社区论坛,与300万技术人员互动交流 >>进入

  今天业务需要,网上没找到  最后写出来了就留个印以备查阅

  #T1表中 A,B 列 至少三行都相同的数据

  SELECT * FROM #T1 t1 WHERE

  (

  SELECT COUNT(*) FROM(

  SELECT DISTINCT A,B FROM #T1 WHERE A=t1.A

  ) A

  )=1

  AND (SELECT DISTINCT COUNT(ID) FROM #T1 WHERE A=t1.A)>=3

  ORDER BY t1.A

sqlserver 一张表两列都的值都相同处理

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