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Question 133/150
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?
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?
Correct Answer: C
Use the double-ampersand if you want to reuse the variable value without prompting the user each time.
Incorrect answer:
A. is not an error
B. && will not prompt user for second time
D. && will not ask the user for new value
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 7-13
Incorrect answer:
A. is not an error
B. && will not prompt user for second time
D. && will not ask the user for new value
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 7-13
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