>>Hi,
>>
>>I want to add to the UPDATE command (used with SQL Server) an expression that would be included only if the table has a certain field/column. For example, in VFP I would probably do it as following:
>>
>>
>>cUpdateCommand = "UPDATE " + cTableName + " SET FieldName = " + cNewValue + " WHERE FieldName = " + cOldValue + ;
>> IIF( FSIZE('FieldB') > 0 ," AND FieldB = " + SomeValue, "")
>>>>
>>How do you change the above to make it work for SQL Server?
>>
>>TIA.
>
>Can you clarify your question? Do you want to create UPDATE statement but don't know the structure of the table in advance?
>
>Take a lot at INFORMATION_SCHEMA.Columns view to check if the table has column or alternatively into sys.columns.
I have a case where the UPDATE expression has to work on tables that some do have column FieldB and some don't. Using INFORMATION_SCHEMA would not be applicable here. I would like to have th UPDATE expressing itself check if the column exists or not. If this is possible, of course. If not, I will use a different approach.
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