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Oracle MySQL 5.7 Database Administrator 1z0-888 Question # 7 Topic 1 Discussion

Oracle MySQL 5.7 Database Administrator 1z0-888 Question # 7 Topic 1 Discussion

1z0-888 Exam Topic 1 Question 7 Discussion:
Question #: 7
Topic #: 1

1z0-888 Question 7

What does the possible_keys column in this output denote?


A.

if it is possible for you to include any indexes in your query


B.

whether there are any indexes on the tables that you are querying


C.

if there are any indexes that may be used to solve this query


D.

whether you are using any indexes in your query


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