SQL interview questions

  1. What is MySQL, and how does it differ from other database management systems?
  2. Explain the difference between a SQL statement and a SQL script in MySQL.
  3. What are the key features of MySQL?
  4. How do you create a new database in MySQL?
  5. What is a table in MySQL, and how can you create one?
  6. What are the different data types supported by MySQL?
  7. Explain the primary key, foreign key, and unique key constraints in MySQL.
  8. How do you insert data into a MySQL table?
  9. What is the difference between the DELETE and TRUNCATE statements in MySQL?
  10. How do you retrieve data from a MySQL table using the SELECT statement?
  11. What is an index in MySQL, and why is it important?
  12. Explain the purpose of the WHERE clause in a SQL query.
  13. What is SQL injection, and how can you prevent it in MySQL?
  14. What is a stored procedure in MySQL, and why would you use it?
  15. How can you update records in a MySQL table using the UPDATE statement?
  16. Explain the concept of normalization in databases.
  17. What is a join in MySQL, and what are the different types of joins?
  18. How do you create a backup of a MySQL database?
  19. What is the difference between CHAR and VARCHAR data types in MySQL?
  20. What are the advantages of using transactions in MySQL?