试题详情
- 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?（）
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.
- C
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