單項選擇題

In your production database， users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason， you realize that another user executed the TRUNCATE TABLE command， which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.
Which method must you use to recover the lost data？（）

A. Complete Recovery with online redo log
B. Complete Recovery with archived redo log
C. Tablespace Point-in-Time Recovery （TSPITR）
D. Incomplete Recovery with system change number （SCN）

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多項選擇題

Which three functions are performed by the SQL Tuning Advisor？（）

A. Building the SQL profile
B. Recommending optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap， function-based， and B-tree indexes
E. Recommending restructuring SQL queries that are using bad plans

單項選擇題

You want to enable automatic PGA memory management in your database. Which setting is required to achieve this？（）

A. Set MEMORY_TARGET to zero
B. Set the STATISTICS_LEVEL parameter to BASIC
C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL
D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value

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你可能感興趣的試題

Which three functions are performed by the SQL Tuning Advisor？（）

You want to enable automatic PGA memory management in your database. Which setting is required to achieve this？（）

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You want to enable automatic PGA memory management in your database. Which setting is required to achieve this？（）