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?()
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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A. 1
B. 3
C. 5
D. 15
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井下爆破作业,同一工作面()使用2种不同品种的炸药。
A. 不得
B. 同时
C. 可以
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