A cursor in SQL is a database object used to retrieve, manipulate, and navigate through result sets row-by-row, especially in procedural operations. Cursors are useful for handling data operations that require row-level control.
Time limit: 0
Quiz Summary
0 of 15 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Which type of cursor is created automatically for simple SELECT queries?
Correct
Incorrect
Question 3 of 15
3. Question
Which keyword is used to create an explicit cursor?
Correct
Incorrect
Question 4 of 15
4. Question
What must be done before using a cursor to fetch data?
Correct
Incorrect
Question 5 of 15
5. Question
Which of the following statements is used to get the next row from a cursor?
Correct
Incorrect
Question 6 of 15
6. Question
What must be done after finishing operations with a cursor?
Correct
Incorrect
Question 7 of 15
7. Question
What is the correct order of cursor operations?
Correct
Incorrect
Question 8 of 15
8. Question
In which SQL extension are cursors typically used?
Correct
Incorrect
Question 9 of 15
9. Question
Which of the following is a drawback of cursors?
Correct
Incorrect
Question 10 of 15
10. Question
Which cursor type reflects changes made to the underlying data during navigation?
Correct
Incorrect
Question 11 of 15
11. Question
Which type of cursor moves only in one direction?
Correct
Incorrect
Question 12 of 15
12. Question
What is a read-only cursor?
Correct
Incorrect
Question 13 of 15
13. Question
What does the CLOSE command do to a cursor?
Correct
Incorrect
Question 14 of 15
14. Question
In PL/SQL, what is %FOUND used for in cursor operations?
Correct
Incorrect
Question 15 of 15
15. Question
Which of the following is not a valid cursor attribute in PL/SQL?
Correct
Incorrect
Summary
This quiz on Cursors in SQL covers both explicit and implicit cursors, cursor operations like DECLARE, OPEN, FETCH, CLOSE, cursor types, performance implications, and procedural use cases in PL/SQL and T-SQL.
At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.
