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.

Coursera
Skills you'll gain: Data Maintenance, Dataflow, Dependency Analysis
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Data Infrastructure, Performance Stress Testing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Database Architecture and Administration, Database Theory, Software Engineering, Database Systems, Data Store, Model Evaluation
★ 3.5 (31) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Generative AI, Data Analysis, Large Language Modeling, AI literacy, Professional Development, Problem Solving
★ 4.7 (40) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard Creation, Business Reporting, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
★ 4.4 (21) · Intermediate · Specialization · 3 - 6 Months

Alibaba Cloud Academy
Skills you'll gain: Plot (Graphics), Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Infrastructure, Data Pipelines, Data Processing, Data Warehousing, Data Analysis, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
★ 4.3 (52) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Query Languages, Data Manipulation, Data Presentation, Data Mining
Intermediate · Guided Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Dashboard Creation, Dashboard, Data Visualization Software, Data Presentation, Data Visualization, Business Reporting, SAS (Software), Interactive Data Visualization, Cloud Computing Architecture, Data Storytelling, Business Intelligence, Business Analytics, Data Warehousing, Cloud Computing, Big Data, Machine Learning, Data Import/Export
★ 4 (32) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Geospatial Information and Technology, Geographic Information Systems, Apache Hadoop, Spatial Data Analysis, Geospatial Mapping, Spatial Analysis, Big Data, Matplotlib, Data Processing, Computational Thinking, Distributed Computing, Data Manipulation, Theoretical Computer Science, Python Programming
★ 4.2 (30) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Authentications, Microsoft Azure, Authorization (Computing), Network Security, Virtual Private Networks (VPN), Identity and Access Management, Firewall, Active Directory, Cloud Security, Network Engineering, User Provisioning, Network Administration, Infrastructure Security, IT Security Architecture, Security Management, Role-Based Access Control (RBAC), Security Controls, Virtual Networking, Kubernetes
★ 4.4 (28) · Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Applications, Web Development Tools, Databases, Web Design and Development, Full-Stack Web Development, Database Systems, Database Development, Application Deployment, Server Side, HTML and CSS, Cloud Deployment, Back-End Web Development, Scripting Languages, Application Development, Cloud Applications, Javascript, Cloud Computing
★ 4.5 (52) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Management, Data Storage, Data Governance, Data Integrity, Security Controls, Analysis, Authorization (Computing), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
★ 4.2 (27) · Intermediate · Course · 1 - 4 Weeks