Add column to SQL query results

Question

I\'m putting together a report in SSRS. The dataset is populated with a SQL query of an MS SQL server. It\'s querying several similar tables using Union All. The problem is that

Answer 1

why dont you add a "source" column to each of the queries with a static value like

select 'source 1' as Source, column1, column2...
from table1

UNION ALL

select 'source 2' as Source, column1, column2...
from table2