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多选题
What are three benefits of performing data definition language （DDL） statements against a partitioned table with the UPDATE GLOBAL INDEXES clause？（）
A
Global indexes are rebuilt automatically at the end of the DDL operation thereby avoiding problems with the UNUSABLE status.
B
You do not have to search for invalid global indexes after the DDL command completes and rebuild them individually.
C
Global indexes are maintained during the operation of the DDL command and therefore can be used by any concurrent query.
D
Global indexes remain intact and available for use by data manipulation language （DML） statements even for sessions that have not enabled the skipping of unusable indexes.
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更多 “多选题What are three benefits of performing data definition language （DDL） statements against a partitioned table with the UPDATE GLOBAL INDEXES clause？（）AGlobal indexes are rebuilt automatically at the end of the DDL operation thereby avoiding problems with the UNUSABLE status.BYou do not have to search for invalid global indexes after the DDL command completes and rebuild them individually.CGlobal indexes are maintained during the operation of the DDL command and therefore can be used by any concurrent query.DGlobal indexes remain intact and available for use by data manipulation language （DML） statements even for sessions that have not enabled the skipping of unusable indexes.” 相关考题
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