SQL Interview Questions
SQL Basics
SQL Basics interview questions for SQL — fundamentals through advanced scenarios.
View sample →Joins
Joins interview questions for SQL — fundamentals through advanced scenarios.
View sample →Filtering & Sorting
Filtering & Sorting interview questions for SQL — fundamentals through advanced scenarios.
View sample →Aggregations & Grouping
Aggregations & Grouping interview questions for SQL — fundamentals through advanced scenarios.
View sample →Subqueries
Subqueries interview questions for SQL — fundamentals through advanced scenarios.
View sample →Indexes
Indexes interview questions for SQL — fundamentals through advanced scenarios.
View sample →Transactions
Transactions interview questions for SQL — fundamentals through advanced scenarios.
View sample →Stored Procedures
Stored Procedures interview questions for SQL — fundamentals through advanced scenarios.
View sample →Optimization
Optimization interview questions for SQL — fundamentals through advanced scenarios.
View sample →Database Design
Database Design interview questions for SQL — fundamentals through advanced scenarios.
View sample →Join Types
What are the different types of SQL joins? — spoken sample answer for Indian interviews.
View sample →Second Highest Salary
How do you find the second-highest salary in SQL? — spoken sample answer for Indian interviews.
View sample →Duplicate Records
How do you find duplicate records in SQL? — spoken sample answer for Indian interviews.
View sample →RANK ROW_NUMBER LAG
What are SQL window functions? Give examples of ROW_NUMBER, RANK, DENSE_RANK, and LAG — spoken sample answer for Indian interviews.
View sample →Top N Per Group
How do you write a query to get the top N salaries per department? — spoken sample answer for Indian interviews.
View sample →WHERE vs HAVING
What is the difference between WHERE and HAVING? — spoken sample answer for Indian interviews.
View sample →Indexes
What is an index, and when can an index make a query slower? — spoken sample answer for Indian interviews.
View sample →Clustered vs Non-clustered Index
What is the difference between a clustered and a non-clustered index? — spoken sample answer for Indian interviews.
View sample →DELETE TRUNCATE DROP
What is the difference between DELETE, TRUNCATE, and DROP? — spoken sample answer for Indian interviews.
View sample →Normalization
What is normalization? Explain 1NF, 2NF, and 3NF — spoken sample answer for Indian interviews.
View sample →Practice with AI mock interviews
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