This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various SQL topics, including the introduction to databases, data manipulation and querying, database design and normalization, advanced SQL concepts, and database administration and security. Whether you’re a beginner or looking to expand your SQL expertise, this quiz will enhance your understanding of database management and querying skills.

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10 Minutes SQL Quiz Test Online

Welcome to the SQL Quiz! This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various SQL topics, including the introduction to databases, data manipulation and querying, database design and normalization, advanced SQL concepts, and database administration and security. Whether you're a beginner or looking to expand your SQL expertise, this quiz will enhance your understanding of database management and querying skills.

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1. Which SQL function is used to count the number of rows in a table?

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2. How does database mirroring enhance security?

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3. What is a composite key?

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4. What does ACID stand for in database transactions?

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5. What does the SELECT * statement do?

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6. Which SQL clause is used to set a condition on aggregated data?

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7. What is the first step in database normalization?

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8. Which normal form eliminates transitive dependency?

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9. What is the maximum number of primary keys a table can have?

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10. What is a database index?

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