DML (Data Manipulation Language) in SQL is used to perform operations like inserting, updating, deleting, and retrieving records from tables. This quiz will help learners understand key DML commands and their correct usage in real-world scenarios.
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Which of the following SQL statements is used to modify existing data in a table?
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Question 4 of 15
4. Question
What is the basic syntax of the DELETE statement?
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Question 5 of 15
5. Question
Which clause is commonly used with UPDATE and DELETE to avoid affecting all rows?
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Question 6 of 15
6. Question
Can you use INSERT without specifying column names?
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Question 7 of 15
7. Question
What does this query do? DELETE FROM employees WHERE age > 60;
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Question 8 of 15
8. Question
Which DML command retrieves data from a database?
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Question 9 of 15
9. Question
What is returned when a SELECT query finds no matching data?
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Question 10 of 15
10. Question
Which command would you use to add multiple records at once?
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Question 11 of 15
11. Question
What will happen if WHERE clause is omitted in a DELETE command?
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Question 12 of 15
12. Question
Which function is commonly used with SELECT to count rows?
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Question 13 of 15
13. Question
Which keyword is used in UPDATE to change a specific column value?
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Question 14 of 15
14. Question
Which of the following can be rolled back in SQL?
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Question 15 of 15
15. Question
What is the result of running: UPDATE products SET price = price * 1.10;?
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Summary
This quiz on DML (Data Manipulation Language) covers all essential commands—SELECT, INSERT, UPDATE, and DELETE—helping learners grasp how data is handled inside SQL databases. It’s ideal for job preparation, academic revision, or real-world practice.
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