The INSERT INTO SELECT statement in SQL is used to copy data from one table to another efficiently. This quiz on insert into select in SQL tests your understanding of syntax, use cases, and potential pitfalls of this powerful command.
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Which of the following is the correct syntax for INSERT INTO SELECT?
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Question 3 of 15
3. Question
Can INSERT INTO SELECT be used between tables in different databases?
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Question 4 of 15
4. Question
What condition must be met when using INSERT INTO SELECT without specifying column names?
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Question 5 of 15
5. Question
Which clause is typically added to INSERT INTO SELECT to restrict inserted data?
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Question 6 of 15
6. Question
What will happen if you insert NULL values into a NOT NULL column using INSERT INTO SELECT?
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Question 7 of 15
7. Question
Which of the following is a valid use case for INSERT INTO SELECT?
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Question 8 of 15
8. Question
How can you prevent inserting duplicate rows when using INSERT INTO SELECT?
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Question 9 of 15
9. Question
What happens if the destination table already contains data?
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Question 10 of 15
10. Question
Which of the following can cause INSERT INTO SELECT to fail?
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Question 11 of 15
11. Question
Can INSERT INTO SELECT be used with a SELECT JOIN?
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Question 12 of 15
12. Question
What does this query do?
INSERT INTO employees_backup (id, name) SELECT id, name FROM employees WHERE dept = ‘HR’;
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Question 13 of 15
13. Question
How do you insert a fixed value along with selected columns using INSERT INTO SELECT?
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Question 14 of 15
14. Question
What happens if you try to INSERT INTO SELECT from the same table you’re inserting into?
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Question 15 of 15
15. Question
Which of the following statements about INSERT INTO SELECT is TRUE?
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Summary
Mastering INSERT INTO SELECT helps in data migration, backup, and reporting tasks. These MCQs explore its structure, behaviour, and practical usage in SQL-based database operations.
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