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Choose two.
Examine this command, which executes successfully:
Shell> mysqldump --master-data=2 --single-transaction --result-file=dump.sql mydb Which two statements are true?

AThis option uses the READ COMMITTED transaction isolation mode.

BIt enforces consistent backups for all storage engines.

CIt is a cold backup.

DThe backup created is a consistent data dump.

EIt executes flush tables with read lock.

正确答案:A (备注:此答案有误)

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