單項(xiàng)選擇題

What is true about the WITH GRANT OPTION clause?（）

A. It allows a grantee DBA privileges.
B. It is required syntax for object privileges.
C. It allows privileges on specified columns of tables.
D. It is used to grant an object privilege on a foreign key column.
E. It allows the grantee to grant object privileges to other users and roles.

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單項(xiàng)選擇題

Which constraint can be defines only at the column level? （）

A. UNIQUE
B. NOT NULL
C. CHECK
D. PRIMARY KEY
E. FOREIGN KEY

單項(xiàng)選擇題

In which scenario would TOP N analysis be the best solution? （）

A. You want to identify the most senior employee in the company.
B. You want to find the manager supervising the largest number of employees.
C. You want to identify the person who makes the highest salary for all employees.
D. You want to rank the top three sales representatives who have sold the maximum number of products.

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What is true about the WITH GRANT OPTION clause?（）

你可能感興趣的試題

Which constraint can be defines only at the column level? （）

In which scenario would TOP N analysis be the best solution? （）

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