單項(xiàng)選擇題

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?（）

A. An error is returned.
B. You are prompted to enter a new value.
C. A report is produced that matches the first report produced.
D. You are asked whether you want a new value or if you want to run the report based on the previous value.

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單項(xiàng)選擇題

Examine the structure of the EMPLOYEES table:

What is the correct syntax for an inline view?（）

A.
B.
C.
D.

多項(xiàng)選擇題

In which four clauses can a subquery be used?（）

A. in the INTO clause of an INSERT statement
B. in the FROM clause of a SELECT statement
C. in the GROUP BY clause of a SELECT statement
D. in the WHERE clause of a SELECT statement
E. in the SET clause of an UPDATE statement
F. in the VALUES clause of an INSERT statement

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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?（）

你可能感興趣的試題

Examine the structure of the EMPLOYEES table: What is the correct syntax for an inline view?（）

In which four clauses can a subquery be used?（）

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Examine the structure of the EMPLOYEES table:

What is the correct syntax for an inline view?（）