I am facing following issue:
I had Tables
Now I want to UNION those two table with the Table result C:
C with columns [ID, Name, Source]
The Source column in Table C will shows value "A" or "B" to illustrate the source of that line is from Table A or B.
I tried some guides with
(SELECT *, "A" AS SOURCE FROM A) UNION ALL (SELECT *, "B" AS SOURCE FROM B)
But It still seems wrong!
Note: This is for SAP HANA. How I can do now ?
The problem with your query is the you used double quotes instead of single quotes for the content of the source column.
Please change your query to:
(SELECT *, 'A' AS SOURCE FROM A) UNION ALL (SELECT *, 'B' AS SOURCE FROM B)
Then it should work