多項選擇題

Which two statements are true regarding the SQL Repair Advisor？（）

A. The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.
B. The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.
C. The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.
D. The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.

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單項選擇題

View the exhibit and examine the TRANS table's storage information.
After a massive delete operation, you executed the following statement to shrink the TRANS table:
SQL> ALTER TABLE trans SHRINK SPACE CASCADE;
Which statement describes the outcome of the command?（）

A. An error is produced.
B. The table and all related objects are compacted and the position of the high-water mark (HWM) for the table is adjusted
C. The table and related indexes are compacted but the position of the high-water mark (HWM) for the table remains unchanged
D. The unused space in the table is reclaimed and returned to the tablespace and the data manipulation language (DML) triggers on the table are fired during the shrinking process

多項選擇題

Which two statements are true about a job chain? （）(Choose two.)

A. A job chain can contain a nested chain of jobs.
B. The jobs in a job chain cannot have more than one dependency.
C. A job of the CHAIN type can be run using event-based or time-based schedules.
D. The jobs in a job chain can be executed only by using the events generated by the Scheduler

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Which two statements are true regarding the SQL Repair Advisor？（）

你可能感興趣的試題

View the exhibit and examine the TRANS table's storage information. After a massive delete operation, you executed the following statement to shrink the TRANS table: SQL> ALTER TABLE trans SHRINK SPACE CASCADE; Which statement describes the outcome of the command?（）

Which two statements are true about a job chain? （）(Choose two.)

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View the exhibit and examine the TRANS table's storage information.
After a massive delete operation, you executed the following statement to shrink the TRANS table:
SQL> ALTER TABLE trans SHRINK SPACE CASCADE;
Which statement describes the outcome of the command?（）