Interview questions and answers for a SQL developer

Top 75 SQL Interview Questions and Answers for 2025

36. Describe the data types in SQL. SQL supports various data types, including numeric, character, date/time, and binary types. Common data ...

SQL Interview Questions CHEAT SHEET (2024) - InterviewBit

SQL Interview Questions · 1. What is Pattern Matching in SQL? · 2. How to create empty tables with the same structure as another table? · 3. What ...

80 Top SQL Interview Questions and Answers [2024] - DataCamp

When answering technical questions, the best strategy is to give as precise answers as possible. It may look like an attempt to deviate from the main topic. In ...

Questions every good Database/SQL developer should be able to ...

Advanced Topics · What is normalization and why is it important? · What are some situations where you would de-normalize data? · What is a ...

Top 70+ SQL Interview Questions and Answers for 2024

In this article, we cover 70+ SQL Interview Questions with answers asked in SQL developer interviews at MAANG and other high-paying companies.

Interview questions for SQL - Reddit

Is this a SQL developer role specifically? If so, these are pretty common topics that are typically asked about: ... Q: What is a right join? A: ...

25 advanced SQL interview questions to ask developers - TestGorilla

25 advanced SQL interview questions to ask developers · 1. What do you understand about normalization? · 2. Can you give us a definition of DDL (data definition ...

Top 117 SQL Interview Questions and Answers for 2024 - Edureka

Interview Questions for SQL Developer. Q81. Write a SQL query to find the names of employees that begin with 'A'? To display name of the ...

SQL Developer Interview Questions

Additional SQL Developer Interview Questions · What is an execution plan? · Explain each of the ACID properties. · What is ASCI code for the line feed? · What is ...

Top 40+ SQL Interview Questions for Experienced Professionals

SQL Interview Questions For 3 Years Experience To Practice. Is it possible to disable a trigger? If yes, explain how. Explain what is WITH ...

Interview Questions for an Entry-Level SQL Developer Job - Reddit

Hey, any SQL Developers out there that have had or given interviews for a SQL Developer job? I will be interviewing soon and I was wondering ...

Top 41 Technical SQL Interview Questions & Answers [2024] | Toptal®

Interview Questions · 1. What does UNION do? · 2. List and explain the different types of JOIN clauses supported in ANSI-standard SQL. · 3. Given the following ...

28 SQL interview questions and answers from beginner to senior level

Feedback mechanisms: Seek feedback from peers, mentors, or use automated tools to review your SQL query performance and identify areas for improvement. What to ...

Top 30 SQL Interview Questions and Answers for 2024

Explain different isolation levels in SQL transactions. Q24. How can you connect an SQL Server database with other data technology platforms ...

SQL Developer Interview Questions - Braintrust

Can you explain the differences between SQL and NoSQL databases? · How do you retrieve data from a SQL database using SELECT statements, and what are some common ...

SQL Developer Interview Questions - Startup Jobs

Interview Questions for SQL Developer · Are you comfortable working with large amounts of data? · What are some of the most important skills you have as a SQL ...

Top 80+ SQL Interview Questions and Answers for 2024 - Intellipaat

How can you secure your SQL queries against SQL injection attacks? 4. What is the difference between BETWEEN and IN operators in SQL? 5. What is AUTO_INCREMENT?

Interview Questions for SQL Developer with Answers - Revelo

Basic Interview Questions for SQL Developer · Tell me about yourself. This prompts the applicant to tell you more about their skills and areas of expertise.

What are common entry level SQL developer interview questions?

Write a query that retrieves “x” from a table. · Count how many records (unique records) are in a table. · What's the difference between an “ ...

How To Interview An SQL Developer: A Complete Guide - Qureos

What Behavioural Questions should you ask an SQL Developer in an Interview? · Can you describe a successful SQL project you worked on? · How do you collaborate ...