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Top SQL and Database Interview Questions

SQL and database questions appear in almost every backend interview regardless of the role. This page covers every database interview resource on TheCodeForge — from basic SELECT queries to database design, NoSQL, and query optimisation.

26 Resources

Database Interview Questions

Top SQL Interview Questions Intermediate DBMS Interview Questions Intermediate NoSQL Interview Questions Intermediate Redis Interview Questions Intermediate

SQL Fundamentals

Introduction to SQL Beginner SQL CREATE TABLE and Data Types Beginner SQL INSERT UPDATE DELETE Beginner SQL SELECT Statement Beginner SQL WHERE Clause and Filtering Beginner SQL ORDER BY and LIMIT Beginner SQL JOINs Explained Intermediate SQL GROUP BY and HAVING Intermediate

Advanced SQL

SQL Indexes Intermediate SQL Views Intermediate SQL Stored Procedures Advanced SQL Triggers Advanced SQL Transactions and ACID Advanced SQL Window Functions Advanced SQL CTEs — Common Table Expressions Advanced SQL Query Optimisation Advanced

Database Design

Database Normalization Intermediate 1NF 2NF 3NF Explained Intermediate ER Diagrams Beginner Primary Key and Foreign Key Beginner Database Relationships Intermediate Database Sharding Advanced

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74 interview topics across coding patterns, HR questions, aptitude and more.

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