In SQL Stuck trying to UPDATE a table column from the results of a COUNT












0















I am building up a table for statistical analysis of production data. I have extracted all the distinct cases, and constructed a count to find how many times each unique case appears in the table.



My issue comes when trying to UPDATE the table's "Number" column with the results from the COUNT



Here is the code I have so far.



TRUNCATE TABLE WeightData

INSERT INTO WeightData (WeightType,WeightIncrement)
SELECT DISTINCT OutboardWeightTable,OutboardAmount
FROM ProductionData
WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)

--UPDATE WeightData
--SET Number = (
SELECT COUNT(*)
FROM WeightData a
inner join ProductionData b
ON (a.WeightType = b.OutboardWeightTable) and (a.WeightIncrement = b.OutboardAmount)
WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)
GROUP BY a.WeightType,a.WeightIncrement
--)


I have commented out the lines that are not working, but when I try to run the query I get the following message. I have tried many different ways to do this but I feel this is my closes attempt.




Msg 512, Level 16, State 1, Procedure TestProcedure, Line 24 Subquery
returned more than 1 value. This is not permitted when the subquery
follows =, !=, <, <= , >, >= or when the subquery is used as an
expression.




When I run the code after commenting those lines, here is the table and the results screen.



WeightData Table



Results from Query










share|improve this question



























    0















    I am building up a table for statistical analysis of production data. I have extracted all the distinct cases, and constructed a count to find how many times each unique case appears in the table.



    My issue comes when trying to UPDATE the table's "Number" column with the results from the COUNT



    Here is the code I have so far.



    TRUNCATE TABLE WeightData

    INSERT INTO WeightData (WeightType,WeightIncrement)
    SELECT DISTINCT OutboardWeightTable,OutboardAmount
    FROM ProductionData
    WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)

    --UPDATE WeightData
    --SET Number = (
    SELECT COUNT(*)
    FROM WeightData a
    inner join ProductionData b
    ON (a.WeightType = b.OutboardWeightTable) and (a.WeightIncrement = b.OutboardAmount)
    WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)
    GROUP BY a.WeightType,a.WeightIncrement
    --)


    I have commented out the lines that are not working, but when I try to run the query I get the following message. I have tried many different ways to do this but I feel this is my closes attempt.




    Msg 512, Level 16, State 1, Procedure TestProcedure, Line 24 Subquery
    returned more than 1 value. This is not permitted when the subquery
    follows =, !=, <, <= , >, >= or when the subquery is used as an
    expression.




    When I run the code after commenting those lines, here is the table and the results screen.



    WeightData Table



    Results from Query










    share|improve this question

























      0












      0








      0


      1






      I am building up a table for statistical analysis of production data. I have extracted all the distinct cases, and constructed a count to find how many times each unique case appears in the table.



      My issue comes when trying to UPDATE the table's "Number" column with the results from the COUNT



      Here is the code I have so far.



      TRUNCATE TABLE WeightData

      INSERT INTO WeightData (WeightType,WeightIncrement)
      SELECT DISTINCT OutboardWeightTable,OutboardAmount
      FROM ProductionData
      WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)

      --UPDATE WeightData
      --SET Number = (
      SELECT COUNT(*)
      FROM WeightData a
      inner join ProductionData b
      ON (a.WeightType = b.OutboardWeightTable) and (a.WeightIncrement = b.OutboardAmount)
      WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)
      GROUP BY a.WeightType,a.WeightIncrement
      --)


      I have commented out the lines that are not working, but when I try to run the query I get the following message. I have tried many different ways to do this but I feel this is my closes attempt.




      Msg 512, Level 16, State 1, Procedure TestProcedure, Line 24 Subquery
      returned more than 1 value. This is not permitted when the subquery
      follows =, !=, <, <= , >, >= or when the subquery is used as an
      expression.




      When I run the code after commenting those lines, here is the table and the results screen.



      WeightData Table



      Results from Query










      share|improve this question














      I am building up a table for statistical analysis of production data. I have extracted all the distinct cases, and constructed a count to find how many times each unique case appears in the table.



      My issue comes when trying to UPDATE the table's "Number" column with the results from the COUNT



      Here is the code I have so far.



      TRUNCATE TABLE WeightData

      INSERT INTO WeightData (WeightType,WeightIncrement)
      SELECT DISTINCT OutboardWeightTable,OutboardAmount
      FROM ProductionData
      WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)

      --UPDATE WeightData
      --SET Number = (
      SELECT COUNT(*)
      FROM WeightData a
      inner join ProductionData b
      ON (a.WeightType = b.OutboardWeightTable) and (a.WeightIncrement = b.OutboardAmount)
      WHERE [Datetime] between '180821_150000' and '180822_000000' and (OutboardAmount > 0)
      GROUP BY a.WeightType,a.WeightIncrement
      --)


      I have commented out the lines that are not working, but when I try to run the query I get the following message. I have tried many different ways to do this but I feel this is my closes attempt.




      Msg 512, Level 16, State 1, Procedure TestProcedure, Line 24 Subquery
      returned more than 1 value. This is not permitted when the subquery
      follows =, !=, <, <= , >, >= or when the subquery is used as an
      expression.




      When I run the code after commenting those lines, here is the table and the results screen.



      WeightData Table



      Results from Query







      sql select count






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 14 '18 at 15:22









      MiasmictruthMiasmictruth

      32




      32
























          1 Answer
          1






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          oldest

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          1














          I think you just want a correlated subquery:



          UPDATE WeightData
          SET Number = (SELECT COUNT(*)
          FROM ProductionData pd
          WHERE wd.WeightType = p.OutboardWeightTable and
          wd.WeightIncrement = pd.OutboardAmount AND
          pd.OutboardAmount > 0 AND
          pd.[Datetime] between '180821_150000' and '180822_000000'
          )
          FROM WeightData wd;





          share|improve this answer


























          • I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

            – Miasmictruth
            Nov 14 '18 at 15:38













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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          I think you just want a correlated subquery:



          UPDATE WeightData
          SET Number = (SELECT COUNT(*)
          FROM ProductionData pd
          WHERE wd.WeightType = p.OutboardWeightTable and
          wd.WeightIncrement = pd.OutboardAmount AND
          pd.OutboardAmount > 0 AND
          pd.[Datetime] between '180821_150000' and '180822_000000'
          )
          FROM WeightData wd;





          share|improve this answer


























          • I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

            – Miasmictruth
            Nov 14 '18 at 15:38


















          1














          I think you just want a correlated subquery:



          UPDATE WeightData
          SET Number = (SELECT COUNT(*)
          FROM ProductionData pd
          WHERE wd.WeightType = p.OutboardWeightTable and
          wd.WeightIncrement = pd.OutboardAmount AND
          pd.OutboardAmount > 0 AND
          pd.[Datetime] between '180821_150000' and '180822_000000'
          )
          FROM WeightData wd;





          share|improve this answer


























          • I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

            – Miasmictruth
            Nov 14 '18 at 15:38
















          1












          1








          1







          I think you just want a correlated subquery:



          UPDATE WeightData
          SET Number = (SELECT COUNT(*)
          FROM ProductionData pd
          WHERE wd.WeightType = p.OutboardWeightTable and
          wd.WeightIncrement = pd.OutboardAmount AND
          pd.OutboardAmount > 0 AND
          pd.[Datetime] between '180821_150000' and '180822_000000'
          )
          FROM WeightData wd;





          share|improve this answer















          I think you just want a correlated subquery:



          UPDATE WeightData
          SET Number = (SELECT COUNT(*)
          FROM ProductionData pd
          WHERE wd.WeightType = p.OutboardWeightTable and
          wd.WeightIncrement = pd.OutboardAmount AND
          pd.OutboardAmount > 0 AND
          pd.[Datetime] between '180821_150000' and '180822_000000'
          )
          FROM WeightData wd;






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 14 '18 at 20:31

























          answered Nov 14 '18 at 15:25









          Gordon LinoffGordon Linoff

          774k35306408




          774k35306408













          • I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

            – Miasmictruth
            Nov 14 '18 at 15:38





















          • I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

            – Miasmictruth
            Nov 14 '18 at 15:38



















          I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

          – Miasmictruth
          Nov 14 '18 at 15:38







          I modified the b and p to pd and it works!! I have spent a shameful amount of time stuck on this thanks a lot!

          – Miasmictruth
          Nov 14 '18 at 15:38






















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