多选题

Choose two.
You are using mysqlcheck for server maintenance. Which two statements are true?

AThe mysqlcheck --check --all-databases command takes table write locks while performing a series of checks.

BThe mysqlcheck --repair --all-databases command can repair an InnoDB corrupted table.

CThe mysqlcheck --analyze --all-databases command performs a series of checks to spot eventual table corruptions.

DThe mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.

EThe mysqlcheck --optimize --all-databases command reclaims free space from table files.

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正确答案：A （备注：此答案有误）

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