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Query using not in clause
Message
De
25/02/2004 12:24:13
 
 
À
25/02/2004 12:02:39
Erick Miranda
Formata Data Business - Grupo Linx
Contagem, Brésil
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00880737
Message ID:
00880767
Vues:
12
I was thinking more along the lines of Sergey's answer but this will also work.
Thanks for your quick reply!!
Gaylen


>Hi Gaylen!
>
>>I have a policy table with 2 years worth of data. Each record is either a year 2003 or 2004 record. I need to know which policy does not have a 2004 record. I remember seeing something about using two selects with a "Not IN ( select ......)" clause.
>>I know I can create two table and scan one and check it against the other but I was looking for a SQL solution.
>>Couldn't find anything in Help or Hacker's on this or didn't look in the right places.
>>Thanks
>>Gaylen
>
>If all policy have the year 2003, you can try this:
>
>Select myCod from myTable group by myCod having count(myCod) < 2
>
>I hope this help you!
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