多项选择题
When should you create a role?（）
A. To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.
B. To grant a group of relate privileges to a user.
C. When the number of people using the database is very high.
D. To simplify the process of granting and revoking privileges.
E. To simplify profile maintenance for a user who is constantly traveling.
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Which clause would you use in a SELECT statement to limit the display to those employees whose salary is greater then 5000?（）
A. ORDER BY SALARY > 5000
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Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa >&&value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）
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Examine the structure of the EMPLOYEES table: What is the correct syntax for an inline view?（）
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