單項(xiàng)選擇題

Which statement is true regarding checkpoints and recovery？（）

A.A checkpoint defines the highest system change number （SCN）.
B.All redo entries higher or at the SCN are known to be written to the data files.
C.Only the redo records containing SCNs higher then the checkpoint need to be applied during recovery.
D.The LOG_CHECKPOINT_INTERVAL initialization parameter specifies the amount of time between incremental checkpoints.

你可能感興趣的試題

單項(xiàng)選擇題

In user-managed backup and recover procedures， how are data files backed up？（）

A.Using SQL commands.
B.Using SQL*Plus commands.
C.Using operating system commands.
D.Using Recover Manager commands.

單項(xiàng)選擇題

To increase the availability of an Advanced Replication environment， you can add a new master to a replication group without quiescing the group. This is achieved（）.

A.Only when the new master site already has existing replication groups.
B.By issuing a single command to create, populate, and activate the new master.
C.When the master definition site is not the same for all of the master groups.
D.Without impacting end users who are executing data manipulation language (DML) commands on the replicated tables.

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Which statement is true regarding checkpoints and recovery？（）

你可能感興趣的試題

In user-managed backup and recover procedures， how are data files backed up？ （）

To increase the availability of an Advanced Replication environment， you can add a new master to a replication group without quiescing the group. This is achieved（）.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Which statement is true regarding checkpoints and recovery？（）

In user-managed backup and recover procedures， how are data files backed up？（）

To increase the availability of an Advanced Replication environment， you can add a new master to a replication group without quiescing the group. This is achieved（）.