Top 10 SQL Interview Questions and Answers for Freshers TCS, Accenture, Infosys, Wipro, HCL, Amazon

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Are you a fresher stepping into the world of SQL interviews? We've got you covered! In today's video, we're diving into the Top 10 SQL Interview Questions that every fresher should know, along with detailed answers to help you ace your interviews.

🔍 **Video Highlights:**

**1. Understanding SQL:** Learn the basics of SQL and why it's crucial in the world of databases.

**2. SQL vs NoSQL:** Discover the differences between SQL and NoSQL databases and when to use each.

**3. Primary Key Explained:** Get insights into the significance of a primary key in ensuring data integrity.

**4. INNER JOIN vs LEFT JOIN:** Demystify the distinctions between INNER JOIN and LEFT JOIN in database queries.

**5. Database Normalization:** Explore the concept of normalization and how it optimizes database structure.

**6. Stored Procedures:** Uncover the power of stored procedures and their role in efficient database management.

**7. GROUP BY Clause:** Understand how the GROUP BY clause helps summarize and analyze data effectively.

**8. ACID Properties:** Delve into the essential ACID properties that ensure the reliability of database transactions.

**9. Subqueries:** Learn about the use of subqueries to enhance the precision of your SQL queries.

**10. UNION vs UNION ALL:** Differentiate between UNION and UNION ALL and choose the right one for your needs.

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