Create update-using-select-via-merge-sqlserver.sql

Author: umara-123

updating/update-using-select/update-using-select-via-merge-sqlserver.sql

@@ -0,0 +1,12 @@
+-- Method 3: Update via MERGE
+MERGE Course AS Target
+USING (
+    SELECT id, code FROM Department
+) AS Source
+ON Target.department_id = Source.id
+WHEN MATCHED THEN
+    UPDATE SET Target.is_active =
+        CASE 
+            WHEN Source.code = 'ME' THEN 'Yes'
+            ELSE 'No'
+        END;