diff --git a/SQL/mssql.md b/SQL/mssql.md
index c59d9b6..e841c73 100644
--- a/SQL/mssql.md
+++ b/SQL/mssql.md
@@ -1 +1,8 @@
-d
\ No newline at end of file
+--- query foreign keys on all tables (local/remote) matching a pattern
+SELECT 
+	OBJECT_NAME(f.parent_object_id) as tablename,
+	OBJECT_NAME(f.referenced_object_id) as remote_tablename
+FROM sys.foreign_keys as f
+WHERE OBJECT_NAME(f.referenced_object_id) not like 'SWE_%'
+AND OBJECT_NAME(f.parent_object_id) like 'SWE_%'
+order by tablename;