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The InnoDB engin的答案

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

多选题
2022-06-30 03:13
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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正确答案
D | E | F
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