SQL courses can help you learn database design, data manipulation, query optimization, and data retrieval techniques. You can build skills in writing complex queries, managing relational databases, and ensuring data integrity. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, demonstrating how to use these platforms for data analysis and reporting. You'll also explore key topics such as joins, indexing, and transaction management, which are vital for effective data management and analysis.

Pragmatic AI Labs
Skills you'll gain: GitHub Copilot, Model Context Protocol, GitHub, Responsible AI, Git (Version Control System), Model Evaluation, AI Integrations, Object-Relational Mapping, Package and Software Management, Restful API, Open Source Technology, CI/CD, AI Security, Security Controls, Generative AI, Agentic Workflows, Security Strategy, Enterprise Architecture, Automation Engineering, Machine Learning
★ 3.5 (6) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Metadata Management, Data Sharing, Data Pipelines, Extract, Transform, Load, Google Cloud Platform, Data Migration, Data Warehousing, Data Infrastructure, Apache Airflow, Data Processing, Big Data, Data Import/Export, Data Storage, Data Management, IT Automation, Cloud Storage, Apache Spark, Automation
★ 5 (7) · Beginner · Course · 1 - 3 Months

Utrecht University
Skills you'll gain: Epidemiology, Environmental Monitoring, Medical Science and Research, Social Determinants Of Health, Preventative Care, Biostatistics, Statistical Methods, Precision Medicine, Physiology, Public Health, Environmental Science, Data Science, Statistical Analysis, Cardiology, Environmental Issue, Laboratory Research, Research Design, Big Data, Biochemistry, Research
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Database Application, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Full-Stack Web Development, React.js, Application Programming Interface (API), Web Services, Spring Boot, Front-End Web Development, Web Applications, MongoDB, UI Components, NoSQL, Data Persistence, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Ansible, Linux Administration, Linux Servers, Infrastructure as Code (IaC), Web Servers, Linux Commands, Nginx, Operating System Administration, Firewall, IT Automation, PostgreSQL, Application Deployment, Apache, Security Controls, Databases, DevOps, Debugging, Network Troubleshooting, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: MongoDB, Data Access, Query Languages, Database Systems, Database Software, Data Collection, Database Management, NoSQL, Database Management Systems, Databases, Database Development, Scripting, Scripting Languages, Python Programming, Development Environment, Back-End Web Development, Software Installation, Package and Software Management
★ 4.4 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Pivot Tables And Charts, Data Manipulation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Data Integration, Dashboard, Role-Based Access Control (RBAC), Data Import/Export, Relational Databases, Security Controls
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Secure Coding, PHP (Scripting Language), Web Applications, Operational Databases, Data Management, Generative AI, Web Development, AI Enablement, ChatGPT, Application Development, Application Security, Microsoft Visual Studio, Cascading Style Sheets (CSS), SQL
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Agentic systems, Model Context Protocol, Vector Databases, Gemini, Generative AI Agents, Google Gemini, Retrieval-Augmented Generation, Artificial Intelligence, Generative AI, Embeddings, MongoDB, Node.JS, API Design, TypeScript, PostgreSQL, Web Applications, Systems Architecture, Database Management, Debugging, Machine Learning
Beginner · Specialization · 1 - 3 Months