diff --git a/rsqldb-disk/client/join-3.sql b/rsqldb-disk/client/innerJoin.sql
similarity index 100%
rename from rsqldb-disk/client/join-3.sql
rename to rsqldb-disk/client/innerJoin.sql
diff --git a/rsqldb-disk/client/join-2.sql b/rsqldb-disk/client/leftJoin.sql
similarity index 95%
rename from rsqldb-disk/client/join-2.sql
rename to rsqldb-disk/client/leftJoin.sql
index 1deaa50..07cf942 100644
--- a/rsqldb-disk/client/join-2.sql
+++ b/rsqldb-disk/client/leftJoin.sql
@@ -46,7 +46,7 @@ SELECT t.id         AS ticket_id,
        p.name       AS perform_name,
        p.odeum_id   AS odeum_id
 FROM ticket AS t
-         JOIN perform AS p ON t.perform_id = p.id;
+         LEFT JOIN perform AS p ON t.perform_id = p.id;
 
 
 INSERT INTO task_sink