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: Unix Commands, Bioinformatics, grep, Unix Shell, Unix, Data Management, Information Management, Command-Line Interface, Linux Commands, Molecular Biology, Bash (Scripting Language), Big Data, Data Manipulation, File Management, Data Analysis Software, Data Processing, Bed Management, Life Sciences, Text Mining
★ 4 (573) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Migration, MySQL, Amazon Web Services, Data Import/Export, Google Cloud Platform, Data Access, Databases, Relational Databases
★ 4.1 (24) · Advanced · Project · Less Than 2 Hours

Universitat Politècnica de València
Skills you'll gain: SQL, Database Management Systems, Relational Databases, Database Management, Databases, Database Theory, Query Languages, Data Integrity, Secure Coding, Data Manipulation
★ 3.1 (9) · Beginner · Course · 1 - 3 Months

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (239) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Data Processing, Database Theory, Databases, Data Store, Database Systems, Database Management Systems, Cloud Services, Data Storage, Database Management, Relational Databases, Query Languages, NoSQL, Data Management, Cloud Computing, Data Analysis, Data Visualization Software
★ 4.7 (493) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Big Data, Text Mining, Unstructured Data, Spatial Data Analysis, Spatial Analysis, Advanced Analytics, Image Analysis, Analysis, Algorithms, Model Evaluation, Correlation Analysis, Information Privacy
★ 4.3 (326) · Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Stored Procedure, PostgreSQL, SQL, Database Management, Database Design, Relational Databases, Query Languages, Data Transformation, Data Manipulation, Data Import/Export, Data Integrity, Transaction Processing, Performance Tuning, Algorithms
★ 4.7 (340) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Database Systems, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts
★ 4.4 (272) · Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Tool Calling, AI Workflows, Generative AI Agents, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Data Visualization, Agentic systems, Analytics, Software Development
★ 4.5 (149) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: SQL, SAS (Software), Case Studies, Database Management, Query Languages, Data Access, Database Management Systems, Data Processing, Data Presentation, Perl (Programming Language), Business, Statistical Programming, Data Wrangling, Data Integration, Data Structures, Data Management, Data Manipulation, Data Transformation, Code Reusability, Software Documentation
★ 4.8 (410) · Intermediate · Professional Certificate · 3 - 6 Months