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Oracle认证考试

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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;
正确答案:B
答案解析:
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