What's your use case? I've not heard of a like this done at table/sql level.
You could use stored procedures & dynamic SQL to achieve it though.
On Thu, Nov 29, 2012 at 5:44 PM, Chris W <4rfvgy7@stripped> wrote:
> I have three tables, TableA, TableB, and TableC each has a unique ID
> field, idA, idB, idC respectively each table also has a field called
> 'Status'. The id field is always greater than zero. Now suppose I have
> three variables A, B, and C. Two of them are zero and the other is a
> valid ID for the corresponding table. Only I don't know which one. Is
> there a way to write a single update statement that will update only the
> one table that has the matching ID? I have tired a few different ideas but
> none seem worth mentioning here since they all either update too many
> records or don't update any records.
> Thanks for the help.
> Chris W
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