單項選擇題

Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）

A. a cumulative level 1 backup
B. a differential level 1 backup
C. a full backup
D. a whole backup

你可能感興趣的試題

Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for a few SQL statements.
What would you do with these SQL statements?（）

A. Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.
B. Capture the plans from the previous version using STS and then load them into the stored outline.
C. Capture the plans from the previous version using STS and then load them into SQL Management Base (SMB).
D. Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.

多項選擇題

What recommendations does the SQL Access Advisor provide for optimizing SQL queries?（）

A. selection of SQL plan baselines
B. partitioning of tables and indexes
C. creation of index-organized tables
D. creation of bitmap, function-based, and B-tree indexes
E. optimization of materialized views for maximum query usage and fast refresh

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Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）

你可能感興趣的試題

What recommendations does the SQL Access Advisor provide for optimizing SQL queries?（）

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