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TSQL 2000/2005 Query Conundrum
Message
From
10/12/2007 11:19:12
 
General information
Forum:
Microsoft SQL Server
Category:
SQL syntax
Environment versions
SQL Server:
SQL Server 2005
Miscellaneous
Thread ID:
01274411
Message ID:
01274449
Views:
10
You're right. I should have caught that. Thanks so much Sergey!


>Why repeat the same conditions twice? Try
>
>SELECT i.* from table1 i
>	  WHERE (i.field1 = 'FA' and field2 IN('AAA','BBB') AND i.field3 = 0)
>       		AND NOT EXISTS (SELECT * from table3 a WHERE a.table2id = i.table2id AND a.field4 = i.field4))
>  			AND (EXISTS (SELECT * from table2 s WHERE s.table2id = i.table2id AND s.fielda <> 'X' AND s.fieldb <> 'I')
>    				OR NOT EXISTS (SELECT * from table2 s WHERE s.table2id = i.table2id))
>
>>I think this works:
>>
>>SELECT i.* from table1 i
>>  WHERE (((i.field1 = 'FA' and (field2 = 'AAA' or field2 = 'BBB') AND i.field3 = 0)
>>     AND EXISTS (select * from table2 s where s.table2id = i.table2id AND s.fielda <> 'X'
>>                    AND s.fieldb <> 'I')
>>     AND NOT EXISTS (SELECT * from table3 a where a.table2id = i.table2id
>>                      AND a.field4 = i.field4))
>>    OR
>>      ((i.field1 = 'FA' and (field2 = 'AAA' or field2 = 'BBB') AND i.field3 = 0)
>>            AND NOT EXISTS (select * from table2 s where s.table2id = i.table2id)
>>            AND NOT EXISTS (SELECT * from table3 a where a.table2id = i.table2id
>>                             AND a.field4 = i.field4)))
>>
.·*´¨)
.·`TCH
(..·*

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