sql scenario interview questions and answers

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sql scenario interview questions and answers
Scenario-based SQL interview questions evaluate your problem-solving skills and practical knowledge. For instance, you might be asked how to handle a situation where a query is running slowly. An effective answer would be to check the execution plan, optimize indexes, and avoid unnecessary columns in the SELECT statement. Another scenario could involve data integrity; you might describe using constraints like primary keys, foreign keys, and unique constraints. Additionally, handling transactions correctly with COMMIT and ROLLBACK ensures data consistency. Understanding and explaining these scenarios demonstrate your ability to apply SQL concepts effectively.

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