troubleshooting Question

Update command that is selective based on passed parameters

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KevinDriedger asked on
Microsoft SQL Server 2005
2 Comments1 Solution244 ViewsLast Modified:
I have a table "Tags" with the following columns
TagID int NOT NULL
BinSize int
OrderID int
AllocatedOrder int

I need to update these records, but I don't know in advance which columns to update.  Is there an elegant way to pass in parameters to a stored procedure and update only the columns associated with the parameters that are not null?  

That is, if I pass in@TagID =100,  @NewBinSize=null, @NewOrderID=25,@New AllocatedOrder=null it will update the OrderID of the record corresponding to TagID=100, but leave the AllocatedOrder and BundleSize columns unchanged?

Thanks.
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