SQL compare two columns for same value

Question

With SQL Server 2012, I have two columns that I would like to compare. Both are on the same table, so no joins are needed.

Basically I need to compare two columns, for example scan1 and scan2 and if their value's match, then I need a 1 , else 0 . The results of the match would output to AS Results.

Answer 1

诸如SELECT .... , CASE WHEN scan1 = scan2 THEN 1 ELSE 0 END AS is_equal FROM table1应该SELECT .... , CASE WHEN scan1 = scan2 THEN 1 ELSE 0 END AS is_equal FROM table1 。

Answer 2

You can go like:

SELECT CASE WHEN Scan1 = Scan2 THEN 1 
       ELSE 0 END AS ColumnAlias
FROM YourTable