Update select-for-update.sql

Author: Deepak-Vohra

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

@@ -1,31 +1,47 @@
 //First Session
 START TRANSACTION;
-SELECT * FROM DEPARTMENT WHERE id=5 FOR UPDATE;
+SELECT * 
+FROM DEPARTMENT 
+WHERE id=5 
+FOR UPDATE;
 
 //Second Session
 START TRANSACTION;
-SELECT * FROM DEPARTMENT WHERE id=5;
+SELECT * 
+FROM DEPARTMENT 
+WHERE id=5;
 
 //First Session
-UPDATE DEPARTMENT SET code='MATH' WHERE id=5;
+UPDATE DEPARTMENT 
+SET code='MATH' 
+WHERE id=5;
 
 //Second Session
-SELECT * FROM DEPARTMENT WHERE id=5 FOR SHARE;
+SELECT * 
+FROM DEPARTMENT 
+WHERE id=5 
+FOR SHARE;
 
 //First Session
 COMMIT;
 
 //Second Session
-SELECT * FROM DEPARTMENT WHERE id=5 FOR SHARE;
+SELECT * 
+FROM DEPARTMENT 
+WHERE id=5 
+FOR SHARE;
 
 //Second Session
 START TRANSACTION;
-UPDATE DEPARTMENT SET code='TEMP' WHERE id<5 OR id>5;
+UPDATE DEPARTMENT 
+SET code='TEMP' 
+WHERE id<5 OR id>5;
 
 //First Session
 COMMIT
 //Second Session
 COMMIT;
 
-SELECT * FROM DEPARTMENT;
+SELECT * 
+FROM DEPARTMENT;