join with no mtach

• NewBeeSQL

  SSCrazy

  Points: 2170

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  February 6, 2009 at 3:13 pm

  #77251

  I am a newbee to SQL and i require following qurery:

  I have two tables like below:

  Table ATable B

  Col1Col2Col3Col1Col2Col3

  A1A2A2C1C2C3

  B1B2B3P1P2P3

  C1C2C3W1W2W3

  D1D2D3X1X2X3

  E1E2E3Y1Y2Y3

  P1P2P3

  Q1Q2Q3

  Now What i require is, i like to get map col1 and col2 from TableA to TableB and extract all records from A which are not matching .

  Result set from table A should be

  A1A2A2

  B1B2B3

  D1D2D3

  E1E2E3

  Q1Q2Q3

  TIA

  raj

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• Jeffrey Williams

  SSC Guru

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  February 6, 2009 at 3:19 pm

  #939836

  This is a simple OUTER JOIN query - look it up in Books Online for further information.

  SELECT ...

  FROM dbo.TableA a

  LEFT OUTER JOIN dbo.TableB b ON b.col1 = a.col1

  WHERE b.col1 IS NULL;

  Jeffrey Williams
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  ― Charles R. Swindoll

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• NewBeeSQL

  SSCrazy

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  February 6, 2009 at 3:22 pm

  #939838

  thanks a lot...

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