What does the FOREIGN KEY constraint do in MySQL?

• A.Ensures that all values in a column are unique
• B.Prevents NULL values in a column
• C.Enforces a relationship between two tables
• D.Creates an index for a column

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What does the WITH GRANT OPTION clause in a MySQL GRANT statement enable a user to do?

• A.Grant their privileges to other users
• B.Automatically revoke privileges when a user disconnects
• C.Create and modify new databases
• D.Execute queries with elevated privileges

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How does the HeatWave Cluster in MySQL Database Service (MDS) achieve high performance for analytical queries?

• A.By caching results in the query cache
• B.By using vectorized query execution in memory
• C.By compressing all data before executing queries
• D.By distributing all queries to the binary log

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Which command would you use to remove a user from the MySQL system?

• A.DROP USER 'user'@'host';
• B.REVOKE 'user'@'host';
• C.DELETE USER 'user'@'host';
• D.ALTER USER 'user'@'host';

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Which privilege is required to grant privileges to other users?

• A.SELECT
• B.INSERT
• C.GRANT OPTION
• D.UPDATE

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