SQL Articles

Learn what T-SQL is, how it extends SQL, and how to use it for querying, automation, and procedural logic in SQL Server with practical examples.

Master many-to-many relationship design using junction tables. Learn to maintain normalization, avoid data anomalies, and implement schemas in SQL and NoSQL.

Master database interview questions, from foundational SQL concepts to advanced system design scenarios. This in-depth guide covers everything you need to ace DBMS interviews and land your next role.

This SQL roadmap guides you step by step for 12 months, from basics to advanced SQL, with hands-on projects, tools, and career-focused learning.

Discover how Sharan Bhogal transformed her passion for business into a thriving data career using DataCamp’s hands-on learning platform.

A DBMS keeps data organized, secure, and easy to access. It helps businesses and applications store information without the mess so everything stays in the right place and is ready when you need it.

Ever wondered how databases keep your data safe and consistent? This guide breaks down ACID transactions with simple explanations, examples, and best practices.

Prepare for PL/SQL interviews with key topics like functions, triggers, dynamic SQL, error handling, best practices, and real-world scenario-based questions.

Explore different strategies for faster and more efficient SQL queries.

Learn about Chioma's journey from Bank Teller to Data Analyst with DataCamp. Explore her transformation in financial analysis with SQL and business analytics courses.

Explore the leading data modeling tools available in 2026. Learn how these tools are designed to create efficient data structures, support various databases, and streamline complex projects.

Master MySQL with this guide to interview questions, with real-world examples and expert tips to help you excel in your next database interview!