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.

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

Skills you'll gain: Cloud-Native Computing, Cloud Deployment, DevOps, CI/CD, Application Deployment, Cloud Development, Devops Tools, Development Environment, Continuous Delivery, Amazon Elastic Compute Cloud, Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, Data Mapping, NoSQL, Event-Driven Programming, Relational Databases
★ 4.9 (19) · Beginner · Specialization · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Digital Transformation, Data Management, Data Strategy, Data Modeling, Data Quality, General Data Protection Regulation (GDPR), Business Transformation, Data Governance, Business Intelligence, Data-Driven Decision-Making, Data Analysis, Data Literacy, Big Data, Regulation and Legal Compliance, Information Privacy, Data Visualization, Business Strategy, Artificial Intelligence
★ 4.1 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

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

EDUCBA
Skills you'll gain: MongoDB, Data Access, Query Languages, Database Systems, Database Software, Data Collection, Database Management, NoSQL, Database Management Systems, Databases, 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

EDUCBA
Skills you'll gain: Big Data, Data Pipelines, File Systems
★ 5 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Retrieval-Augmented Generation, LLM Application, Prompt Patterns, Tool Calling, Generative AI Agents, Prompt Engineering Tools, Embeddings, Agentic systems, Application Development, Query Languages, Data Pipelines, Data Persistence
★ 3.8 (6) · Intermediate · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Architecture, Data Security, Extract, Transform, Load, Database Architecture and Administration, Security Controls, Security Management, Data Storage, Data Transformation, Relational Databases, Solution Design, Database Management Systems, Data Import/Export
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Model Optimization, Model Deployment, Feature Engineering, Product Requirements, Prompt Engineering, Data Ethics, Prompt Patterns, LLM Application, Model Training, Kubernetes, AI Security, Systems Architecture, Large Language Modeling, Model Evaluation, PyTorch (Machine Learning Library), Apache Airflow, Data Pipelines, SQL
Intermediate · Professional Certificate · 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