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How will I compare the old value with new while updating
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows 2000 SP4
Network:
Windows 2000 Server
Database:
MS SQL Server
Divers
Thread ID:
01016451
Message ID:
01016482
Vues:
11
>Something like (pseudo code)
UPDATE mytable
>  SET myfield = @NewValue
>  WHERE < whetever conditions >
>    AND myfield <> @NewValue
>
>>
>>While updating data in the server, i want to skip the field if and only if the new value
>>and old the values are same. Othewise i want to update the field with new value.
>>how will i write Sql Statement for this.
>>
I have a form
If it's not broken, fix it until it is.


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