Top 10 SQL Interview Questions

Dipak Mane Dec 2, 2023

1. Explain Normalization?

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2. Explain the Difference Between DDL and DML?

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3. What are ACID Properties in SQL?

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4. Write a Query to Find all the Duplicates in a Table?

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5. Difference Between a Clustered and non-clustered Index?

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6. Explain Denormalisation?

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7. What is the Difference Between inner, outer, and full outer join?

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8. Explain the Difference Between a Join and a Union?

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9. Explain the Difference Between UNION AND UNION ALL?

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10.Explain the Effect of Truncate and Delete on an Identity?

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