Update select-for-update.sql

Author: Deepak-Vohra

sql-queries-11/lock-single-row-mysql/select-for-update.sql

@@ -5,17 +5,6 @@ FROM DEPARTMENT
 WHERE id=5 
 FOR UPDATE;
 
-//Second Session
-START TRANSACTION;
-SELECT * 
-FROM DEPARTMENT 
-WHERE id=5;
-
-//First Session
-UPDATE DEPARTMENT 
-SET code='MATH' 
-WHERE id=5;
-
 //Second Session
 SELECT * 
 FROM DEPARTMENT 
@@ -25,12 +14,6 @@ FOR SHARE;
 //First Session
 COMMIT;
 
-//Second Session
-SELECT * 
-FROM DEPARTMENT 
-WHERE id=5 
-FOR SHARE;
-
 //Second Session
 START TRANSACTION;
 UPDATE DEPARTMENT