The log is a sequence of                     recording all the update activities in the database.

Related MCQs

• A special redo-only log record < Ti, Xj, V1> is written to the log, where V1 is the value being restored to data item Xj during the rollback. These log records are sometimes called
• 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.
• In the                        scheme, a transaction that wants to update the database first creates a complete copy of the database.
• Whenever an update operation occurs on a page, the operation stores the LSN of its log record in the                field of the page.
•                          using a log record sets the data item specified in the log record to the old value.
• Writing the buffered log to                      is sometimes referred to as a log force.
• A DBMS uses a transaction ____ to keep track of all transactions that update the database
• A                    consists of a sequence of query and/or update statements.
•                        is popular for applications such as storage of log files in a database system since it offers the best write performance.