How to SUM function of an ALIAS column in SQL, when wrap SELECT says Invalid Col
In SQLSMS v19.2 I see error after trying to wrap a SELECT to calculate SUM of an ALIAS column, why? what are the other methods I can try?
In SQLSMS v19.2 I see error after trying to wrap a SELECT to calculate SUM of an ALIAS column, why? what are the other methods I can try?