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印度中央统计局（Central Statistics Office）数据显示，2015年第四季度，印度GDP同比增长7.3%，已成为全球增长最快的大型经济体。截至今年3月底的财政年度，统计局预计印度年度GDP增长将达到（），创五年以来最高水平。
- A、7.2%
- B、7.3%
- C、7.5%
- D、7.6%
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Examine the command： SQL DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）； Which statement describes the effect of the above command（）A、Automatic statistics collection is stopped for the CUSTOMERS table.B、Statistics for the CUSTOMERS table are locked and cannot be overwritten.C、Existing statistics for the CUSTOMERS table become unusable for the query optimizer.D、Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistics.
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单选题You executed the following commands： SQL ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false； SQL EXECUTE DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’，’false’）； SQL EXECUTE DBMS_STATS.GATHER_TABLE_STATS（’SH’， ’CUSTOMERS’）； Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session？（）A
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单选题印度中央统计局（Central Statistics Office）数据显示，2015年第四季度，印度GDP同比增长7.3%，已成为全球增长最快的大型经济体。截至今年3月底的财政年度，统计局预计印度年度GDP增长将达到（），创五年以来最高水平。A
7.2%B
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The statistics collection continues until all objects are processed.B
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