单选题

Choose the best answer.
You plan to upgrade your MySQL 5.7 instance to version 8. You have installed the 8 build of MySQL Shell.
Examine this command executed from the operating system shell prompt: mysqlsh --uri root@localhost:3306 -- util checkForServerUpgrade
Which statement is true?

AIt documents any problems with your 5.7 tables to make them ready to upgrade to 8.

BIt fails because the operation name must be in camelCase.

CIt fixes any problems with your 5.7 tables to make them ready to upgrade to 8.

DIt is mandatory to clear the history of prior results before executing this process a second time or later.

EIt fails because checkForServerUpgrade must be executed only within an active shell session as a method of the util object.

FIt is mandatory to run this command so that MySQL 8.0 software ‘ s auto-upgrade process has the details it needs to operate properly.

查看答案

正确答案：A （备注：此答案有误）

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