A DBMS uses a transaction ____ to keep track of all transactions that update the database

Related MCQs

• If several concurrent transactions are executed over the same data set and the second transaction updates the database before the first transaction is finished, the ____ property is violated and the database is no longer consistent.
• In the                        scheme, a transaction that wants to update the database first creates a complete copy of the database.
• All transactions are controlled and executed by the DBMS (subject to some limitations) to guarantee database ____.
• The                      requires that each transaction Ti executes in two or three different phases in its lifetime, depending on whether it is a read-only or an update transaction.
• The DBMS utility...................... allows reconstructing the correct state of database from the backup and history of transactions.
• The DBMS utility, ____________ allows to reconstruct the correct state of database from the backup and history of transactions.
• Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
• Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
• A system is in a              state if there exists a set of transactions such that every transaction in the set is waiting for another transaction in the set.
• A DBMS that combines a DBMS and an application generator is ________ .