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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?（）
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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出自：Oracle认证

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