试题详情
- 单项选择题An index-organized table (IOT) called SPARSE has had many records deleted. Which command reorganizes the IOT so that the empty space is removed, while minimizing the impact for users?()
A、EXPORT with TABLES and IMPORT with the INDEX and IGNORE options.
B、ALTER TABLE … COALESCE ;
C、ALTER INDEX …REBUILD ONLINE;
D、CREATE TABLE …AS SELECT_ONLINE;
- B
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