>>>>Hi,
>>>>
>>>>Is it possible to change some property of a field/column in a SQL Database that automatically sets the value to NULL if the value is an empty string? That is, the application may update the value of a column to an empty string but I want the SQL to set it as NULL.
>>>>
>>>>TIA
>>>
>>>This can be done through a trigger. Simple AFTER UPDATE/INSERT trigger can do that.
>>
>>I will check out how to do it. Thanks.
>
>create trigger trMyTableMyColumnChange after insert, update
>as
>
>update myTable set myColumn = null
>from myTable inner join Inserted I on myTable.PK = Inserted.PK
>where I.myColumn = ''

Thank you!