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The InnoDB engine has a feature known as clustered indexes. Which three statements are true about clustered indexes as used in InnoDB?()

  • A、A primary key must exist for creation of a clustered index
  • B、A clustered index allows fulltext searching within InnoDB
  • C、The first unique index is always used as a clustered index and not a primary key
  • D、A clustered index provides direct access to a page containing row data
  • E、If no indexes exist, a hidden clustered index is generated based on row IDs
  • F、A primary key is used as a clustered index
  • G、A clustered index is a grouping of indexes from different tables into a global index for faster searching

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更多 “ The InnoDB engine has a feature known as clustered indexes. Which three statements are true about clustered indexes as used in InnoDB?()A、A primary key must exist for creation of a clustered indexB、A clustered index allows fulltext searching within InnoDBC、The first unique index is always used as a clustered index and not a primary keyD、A clustered index provides direct access to a page containing row dataE、If no indexes exist, a hidden clustered index is generated based on row IDsF、A primary key is used as a clustered indexG、A clustered index is a grouping of indexes from different tables into a global index for faster searching” 相关考题
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