70.You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace:
ALTER TABLE employees SHRINK SPACE CASCADE;
Which statement is correct in this scenario?
A. The EMPLOYEES table will be changed to read-only mode during the shrink operation.
B. The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.
C. The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.
D. Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.
Answer: C
您执行下列SQL语句以收缩存储在示例表空间的雇员表段：
C、收缩行为将级联于支持收缩操作的表中的所有从属段。
ALTER TABLE employees SHRINK SPACE CASCADE;
Which statement is correct in this scenario?
A. The EMPLOYEES table will be changed to read-only mode during the shrink operation.
B. The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.
C. The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.
D. Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.
Answer: C
您执行下列SQL语句以收缩存储在示例表空间的雇员表段：
C、收缩行为将级联于支持收缩操作的表中的所有从属段。
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2123443/ ，如需转载，请注明出处，否则将追究法律责任。
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