The transaction log includes which of the following?

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
•                          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 transaction commits as soon as its commit log record is written to stable storage at the primary site. This is
• A transaction commits as soon as its commit log record is written to stable storage at the primary and the backup site. This is
• If only the primary is active, the transaction is allowed to commit as soon as its commit log record is written to stable storage at the primary site. This is
• The command                                  such tables are available only within the transaction executing the query and are dropped when the transaction finishes.
•          means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
• If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by
• When the transaction finishes the final statement the transaction enters into