What is Rollback?
If transaction is failed then we have recovery management system. With the help of rollback , transaction recovery will take place. The rollback will take place with the help of transaction logs. logs are the file that keeps a record of all the activity which is done by the transaction. The rollback undo all the modifications that has taken place during a transaction.
Cascading Rollback
Cascading rollback is a term that is used in DBMS. It is a concept that is explained in DBMS when we start discussing transactions.
So, let’s discuss briefly the basics that we require to know before studying cascading rollback.