Skip to main content
Category
Technologies

SQL Articles

Keep up to date with the latest news, techniques, and resources for SQL Server. Our blog is full of free SQL Server training tips to help you learn, build, & grow.
Other technologies:
AI AgentsAirflowAlteryxArtificial IntelligenceAWSAzureBusiness IntelligenceChatGPTDatabricksdbtDockerExcelFlinkGenerative AIGitGoogle Cloud PlatformHadoopJavaJuliaKafkaKubernetesLarge Language ModelsMongoDBMySQLNoSQLOpenAIPostgreSQLPower BIPySparkPythonRScalaSnowflakeSpreadsheetsTableau
GroupTraining 2 or more people?Try DataCamp for Business
All posts
Data Engineering

Top 40 DBMS Interview Questions in 2025

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.
Dario Radečić's photo

Dario Radečić

July 8, 2025

SQL

SQL Roadmap: A 12-Month Learning Path to Master SQL

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.
Matt Crabtree's photo

Matt Crabtree

June 4, 2025

Power BI

How Sharan Pivoted to Data and Became a Power BI Developer at Specsavers

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

Rhys Phillips

May 28, 2025

Data Engineering

What is a DBMS? Key Concepts Explained with Examples

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.
Laiba Siddiqui's photo

Laiba Siddiqui

March 24, 2025

Data Engineering

What Are ACID Transactions? A Complete Guide for Beginners

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

Kurtis Pykes

February 18, 2025

Career Services

Top 20 PL/SQL Interview Questions and Answers in 2025

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

Allan Ouko

February 11, 2025

Data Engineering

SQL Query Optimization: 15 Techniques for Better Performance

Explore different strategies for faster and more efficient SQL queries.
Maria Eugenia Inzaugarat's photo

Maria Eugenia Inzaugarat

January 30, 2025

Data Engineering

Top 19 Data Modeling Tools for 2025: Features & Use Cases

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.
Kurtis Pykes 's photo

Kurtis Pykes

January 13, 2025

SQL

Top 30 Database Administrator Interview Questions for 2025

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

Kurtis Pykes

September 29, 2024

SQL

SQLite vs PostgreSQL: A Detailed Comparison

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

Abiodun Eesuola

June 30, 2024