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Knarf180
Starting Member
42 Posts |
 Posted - 2004-10-01 : 09:16:16
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| I have 2 tables, Table1 and Table2. Both tables have 2 matching fields which contain the same data "linking" them together.Ex. Table1.Field1 = Table2.Field1 Table1.Field2 = Table2.Field2My problem is that it seems that Table2 has a few records which do not have partners in Table1. These need to be documented and then removed. I know the JOIN command can find matches between tables, but how would one go about finding everything that does not correspond?Thanks a ton, - Frank |
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jsmith8858
Dr. Cross Join
7423 Posts |
Posted - 2004-10-01 : 09:27:58
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| read up on LEFT OUTER JOIN in books on-line.- Jeff |
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Knarf180
Starting Member
42 Posts |
Posted - 2004-10-01 : 09:42:20
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| Select * from Table1 where not exists ( Select * from table2 where Table2.Field1 = Table1.Field1 AND Table2.Field2 = Table2.Field2)Google is being good to me today. Thanks much for the reply jsmith. |
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Table matching