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First 2 free Junior SQL

SQL – CASE Statements

Practice SQL CASE statement interview questions. Cover conditional logic, bucketing, and transforming values in queries. Write queries and receive feedback on correctness and approach. Ideal for beginner SQL interview prep. First 2 questions are free with full feedback.

  • Level Junior
  • Questions 12
  • CASE

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Sample sql – case statements interview questions

Preview 6 questions from this track in quiz order. In the full quiz you answer one at a time — type or speak — then get a score and feedback.

  1. What is a CASE statement in SQL?

    What a strong answer includes

    Adds conditional logic inside a query.

  2. Write a CASE statement that labels scores as “Pass” or “Fail”.

    What a strong answer includes

    Correct WHEN/THEN/ELSE.

  3. How do you use CASE to bucket ages into groups?

    What a strong answer includes

    Multiple WHEN conditions for ranges.

  4. Can you use CASE in a SELECT, WHERE, or ORDER BY?

    What a strong answer includes

    Yes, in all of them.

  5. Write a query that counts orders by status using CASE.

    What a strong answer includes

    Uses SUM(CASE WHEN ...).

  6. What is the difference between simple and searched CASE?

    What a strong answer includes

    Simple compares to one value; searched uses conditions.