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How to use Having with SQL Server database
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Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP1
Divers
Thread ID:
01562104
Message ID:
01562127
Vues:
34
>>>Because VFP is not really ANSI complaint and has its own implementation of SQL language. That's why VFP has different syntax. I don't know if internally in VFP that expression is calculated more than needed but in SQL Server in doesn't calculate in both places.
>>
>>How did you verify that in SQL Server having the same expression ( (COUNT(....))>5) ) is not being calculated in both places?
>
>Try running with showing execution plan. You can also use
>
>SET SHOWPLAN option
>
>See
>
>http://blogs.lessthandot.com/index.php/DataMgmt/DBAdmin/MSSQLServerAdmin/getting-started-with-execution-plans

Thank you.
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