Top 115 SQL Interview Questions 2026 (With Answers)

Structured Query Language (SQL) is a crucial tool to manage and organize data. It's no surprise that SQL is a fundamental skill for many positions in the tech industry. Whether you're a fresher or an experienced professional, you will likely face SQL interview questions when seeking a job.

To help you prepare for your next interview, we've compiled a list of SQL interview questions and answers that cover a wide range of topics, including queries, joins, and practice questions. 

By reading through this comprehensive guide, you'll gain a better understanding of the types of questions that you will encounter and how to approach answering them.

Whether you're just starting out or have years of experience, this guide is the perfect resource for you to crack the SQL interview. So, let's dive in and explore the top interview questions on SQL!

Basic SQL Interview Questions for Freshers

As a fresher looking to start a career in the tech industry, it's essential to have a basic understanding of Structured Query Language. SQL interview questions for freshers often focus on the basics, such as its syntax and data types.

Here, you will find the most common and basic interview questions on SQL for freshers that are crucial for you to prepare. 

1. What is SQL?

SQL stands for Structured Query Language. 

It is a programming language used to manage and modify relational databases. SQL allows you to perform various tasks, such as creating, modifying, and deleting database structures and data. 

It is used in a wide range of applications, from small personal projects to large enterprise systems.

SQL interview questions for freshers will include asking this type of basic concepts. If you are a beginner, it's important to have a good understanding of the fundamentals.

2. What is a Database?

It is a structured set of data that is stored and organized in such a manner that the retrieval and modification of data become efficient. 

You can think of it as a digital filing system that stores information in a structured format. 

Databases are used in a wide range of applications, from small personal projects to large enterprise systems, and can be stored and managed using various software tools such as SQL databases, NoSQL databases, and graph databases. 

These can store a variety of data types, including text, numbers, images, and multimedia files. They provide an efficient way to manage and organize large amounts of data, making it easier to access and analyze.