SQL Articles

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 2025. 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!

This guide covers the top database administrator interview questions, from basic to advanced topics, helping you prepare for your next DBA role with confidence!

Explore the strengths, use cases, and performance differences between SQLite vs PostgreSQL. Discover which database system suits your project needs.

Essential Spark interview questions with example answers for job-seekers, data professionals, and hiring managers.

This comprehensive guide provides a curated list of SQL Server interview questions and answers, covering topics from basic concepts to advanced techniques, to help you prepare for your next data-related interview.

The main types of databases include relational databases for structured data, NoSQL databases for flexibility, cloud databases for remote access, and vector databases for machine learning applications.