By Team foundit
June 6, 2024
Ace your SQL interviews with these common questions for freshers. Learn key concepts and tips to impress your interviewer.
What is SQL? Explain its uses. Discuss the difference between SQL and MySQL.
What are the different types of SQL commands (DML & DDL)?
Explain the difference between tables and fields in a database.
What is a primary key, and why is it important?
What are some common data types used in SQL? Explain common types like INT, VARCHAR, DATE, and BOOLEAN.
Explain different types of joins in SQL. Discuss INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN with examples.
How do you filter data in SQL using the WHERE clause?
What are some examples of common SQL functions? Explain COUNT, SUM, AVG, MIN, MAX, and how they help in data analysis.
Practice writing SQL queries regularly. Use online resources and databases to test your skills. Mock interviews can help you gain confidence.
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