多项选择题
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.
单项选择题 Which clause would you use in a SELECT statement to limit the display to those employees whose salary is greater then 5000?()
单项选择题 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?()
单项选择题 Examine the structure of the EMPLOYEES table: What is the correct syntax for an inline view?()