SQL Server Interview Questions
Check out 30 of the most common SQL Server interview questions and take an AI-powered practice interview
What is SQL Server and when should you use it?
How do you connect to SQL Server?
What are the basic data types in SQL Server?
How do you create and manage databases in SQL Server?
What are tables/collections in SQL Server?
How do you perform CRUD operations in SQL Server?
What are primary keys and foreign keys in SQL Server?
How do you write basic queries in SQL Server?
What are joins/lookups in SQL Server?
How do you handle NULL values in SQL Server?
What are constraints in SQL Server?
How do you import/export data in SQL Server?
How do you optimize queries in SQL Server?
What is indexing in SQL Server?
How do you handle transactions in SQL Server?
What are stored procedures/functions in SQL Server?
How do you implement data validation in SQL Server?
What is normalization/denormalization in SQL Server?
How do you handle concurrent access in SQL Server?
What are triggers in SQL Server?
How do you implement full-text search in SQL Server?
What is query execution plan in SQL Server?
How do you handle large datasets in SQL Server?
What are views in SQL Server?
How do you monitor performance in SQL Server?
How do you implement sharding in SQL Server?
What is replication strategy in SQL Server?
How do you handle distributed SQL Server?
What are advanced optimization techniques in SQL Server?
How do you implement high availability in SQL Server?
Frequently Asked Questions
What is SQL Server used for?
SQL Server is widely used for storing, managing, and retrieving data efficiently. It's valued for its performance, reliability, and extensive ecosystem.
How long does it take to learn SQL Server?
Learning SQL Server basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.
What are the job prospects for SQL Server developers?
SQL Server developers are in high demand across industries. With strong SQL Server skills, you can pursue roles in database administration, data engineering, with competitive salaries ranging from ₹6-22 LPA.
What prerequisites are needed for learning SQL Server?
Understanding of data structures and basic SQL are helpful prerequisites for learning SQL Server.
Which companies use SQL Server?
Major companies using SQL Server include Google, Amazon, Microsoft, Meta, Netflix, and many more. SQL Server is adopted across startups to enterprise organizations.
Introduction
Preparing for database interviews with SQL Server expertise? Database knowledge is fundamental for any developer working with data-driven applications.
SQL Server is widely used for data storage, retrieval, and management. Understanding its architecture, query optimization, and best practices is essential.
This guide covers SQL Server interview questions ranging from basic CRUD operations to advanced topics like indexing, replication, and performance tuning.
Whether you're a backend developer or data engineer, these questions will help you demonstrate strong database expertise.
