单项选择题
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
相关考题
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多项选择题
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 -
多项选择题
Whichclientrequeststothedatabasecanbecapturedasapartoftheworkloadcapture？（）
A. flashback query
B. distributed transactions
C. logging in and logging out of sessions
D. all DDL statements having bind variables
E. direct path load of data from external files -
单项选择题
Sales details are being stored on a daily basis in the SALES_2007 table. A large amount of data is added to the table daily. To save disk space，you issued the following command： ALTER TABLE sales_2007 COMPRESS FOR ALL OPERATIONS； What would be the outcome of this command？（）
A. It produces an error because data already exists in the table.
B. It produces an error because compression can be enabled at table creation only.
C. It compresses all data added or modified henceforth but the existing data in the table is not compressed immediately.
D. It immediately compresses all existing data as well as new data， resulting from either fresh additions or modifications to existing data.
