连接2个数据集中的表

时间:2014-05-08 23:03:27

标签: sql-server-2012

我有2个数据集:

1)

    SELECT LocId 
    from map_Sites ms
    inner join map_WaterSystems mw on mw.SiteId = ms.SiteId
    inner join map_Locations ml on mw.SysID = ml.SysID
    where ms.SiteId = 344 and LocId <> 9604

此数据集的结果是:

LocId 

9605
9606

这是第二个数据集:

    select dl.LocId, dl.ParamID,  dl.alertNumExceed, dl.upperAlarm,  dl.lowerAlarm,  dl.alertOn,  dl.EntryUserID,  dl.ParamOrder 
    from data_LocParams dl where LocId = 9604

此数据集的结果是

LocId   ParamID alertNumExceed  upperAlarm  lowerAlarm  alertOn EntryUserID ParamOrder
9604    187 NULL            NULL            NULL            0   NULL            NULL
9604    3057    NULL            NULL            NULL            0   NULL            NULL
9604    3138    NULL            NULL            NULL            0   NULL            NULL

我想要的最终结果是这样的:

LocId   ParamID alertNumExceed  upperAlarm  lowerAlarm  alertOn EntryUserID ParamOrder
9605    187 NULL            NULL            NULL            0   NULL            NULL
9605    3057    NULL            NULL            NULL            0   NULL            NULL
9605    3138    NULL            NULL            NULL            0   NULL            NULL
9606    187 NULL            NULL            NULL            0   NULL            NULL
9606    3057    NULL            NULL            NULL            0   NULL            NULL
9606    3138    NULL            NULL            NULL            0   NULL            NULL

注意每个LocId如何根据ParamID

重复

1 个答案:

答案 0 :(得分:0)

WITH ResultSet1 AS (
  SELECT LocId 
    from map_Sites ms
    inner join map_WaterSystems mw on mw.SiteId = ms.SiteId
    inner join map_Locations ml on mw.SysID = ml.SysID
    where ms.SiteId = 344 and LocId <> 9604
), ResultSet2 AS (
select dl.ParamID,  dl.alertNumExceed, dl.upperAlarm,  dl.lowerAlarm,  dl.alertOn,  dl.EntryUserID,  dl.ParamOrder 
    from data_LocParams dl where LocId = 9604
)
  select
    ResultSet1.LocId, ResultSet2.*
  from ResultSet1
  cross join ResultSet2

在回答Nate的评论时,您可以使用WITH:

进行INSERT
WITH ResultSet1 AS (
  SELECT LocId 
    from map_Sites ms
    inner join map_WaterSystems mw on mw.SiteId = ms.SiteId
    inner join map_Locations ml on mw.SysID = ml.SysID
    where ms.SiteId = 344 and LocId <> 9604
), ResultSet2 AS (
select dl.ParamID,  dl.alertNumExceed, dl.upperAlarm,  dl.lowerAlarm,  dl.alertOn,  dl.EntryUserID,  dl.ParamOrder 
    from data_LocParams dl where LocId = 9604
)
  insert into yourTable
  select
    ResultSet1.LocId, ResultSet2.*
  from ResultSet1
  cross join ResultSet2

或者你可以在没有WITH的情况下写这个:

insert into yourTable
select
  ResultSet1.LocId, ResultSet2.*
  from (
      SELECT LocId 
        from map_Sites ms
        inner join map_WaterSystems mw on mw.SiteId = ms.SiteId
        inner join map_Locations ml on mw.SysID = ml.SysID
        where ms.SiteId = 344 and LocId <> 9604
    ) as ResultSet1
  cross join (
    select dl.ParamID,  dl.alertNumExceed, dl.upperAlarm,  dl.lowerAlarm,  dl.alertOn,  dl.EntryUserID,  dl.ParamOrder 
        from data_LocParams dl where LocId = 9604
) as ResultSet2