SQL Interview Questions

Q21 What is the difference between view and materialized view? ✓ Answered → Q22 What is a stored procedure? ✓ Answered → Q23 What is a function in SQL? ✓ Answered → Q24 What is the difference between procedure and function? ✓ Answered → Q25 What is a trigger? ✓ Answered → Q26 What are ACID properties? ✓ Answered → Q27 What is transaction in SQL? ✓ Answered → Q28 Explain isolation levels in SQL. ✓ Answered → Q29 What is deadlock in SQL? ✓ Answered → Q30 What is rollback and commit? ✓ Answered → Q31 What is a self join? ✓ Answered → Q32 What is a cross join? ✓ Answered → Q33 What is a full outer join? ✓ Answered → Q34 What is DISTINCT keyword? ✓ Answered → Q35 What is ORDER BY clause? ✓ Answered → Q36 What is LIMIT and OFFSET? ✓ Answered → Q37 What is NULL in SQL? ✓ Answered → Q38 What is the difference between CHAR and VARCHAR? ✓ Answered → Q39 What is CASE statement? ✓ Answered → Q40 What is COALESCE function? ✓ Answered →