多项选择题

Which three elements can a job chain process involve?（）

A. an event
B. a schedule
C. a program
D. another chain
E. a lightweight job

<上一题目录下一题>

热门试题

多项选择题

Which two statements regarding the Flashback Table feature are correct?（）

A. Flashback Table can be performed on system tables.
B. Flashback Table operation does not shrink the segments.
C. Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.
D. Flashback Table operation acquires exclusive data manipulation language (DML) locks.

单项选择题

You issued the following command on the temporary tablespace LMTEMP in your database: SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M; Which requirement must be fulfilled for this command to succeed?（）

A. The tablespace must be locally managed.
B. The tablespace must have only one temp file.
C. The tablespace must be made nondefault and offline.
D. The tablespace can remain as the default but must have no active sort operations.