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.

Duke University
Skills you'll gain: NumPy, Data Structures, Data Analysis, Object Oriented Programming (OOP), Exploratory Data Analysis, Image Analysis, Data Science, Data Transformation, Data Manipulation, Big Data, Performance Tuning, Python Programming, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Google Cloud Platform, Extract, Transform, Load, Data Processing, Apache Hive, Data Integration, Apache Spark, PySpark, Serverless Computing, Apache Hadoop, Big Data, Data Migration, Data Transformation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Database Management, Data Management, Data Access, Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Data Security, Dashboard, Tableau Software, Data Cleansing, Data Integration, Extract, Transform, Load, SQL, Personally Identifiable Information, Microsoft Excel, Data Governance, Data Preprocessing, Data Transformation, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, PySpark, Data Manipulation, Data Preprocessing, Apache Spark, Google Cloud Platform, Data Analysis, Applied Machine Learning, Predictive Modeling, Big Data, Machine Learning, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Copilot, Natural Language Processing, Data Storytelling, Technical Communication, Data Visualization, Data-Driven Decision-Making, Interactive Data Visualization, Generative AI, Data Visualization Software, Data Analysis, Strategic Communication, Communication, Big Data, Responsible AI, Artificial Intelligence, Presentations, Advanced Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Mobile Security, Microsoft Intune (Mobile Device Management Software), Network Security, Cybersecurity, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Application Security, Exploitation techniques, Web Applications, Cloud Security, Internet Of Things
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Brute-force attacks, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Network Analysis, SQL
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Supply And Demand, Sustainable Development, Market Dynamics, International Relations, Climate Change Mitigation, Economics, Environmental Regulations, Environmental Policy, Mathematical Modeling, Tax Laws, Social Impact, Public Policies, Cost Benefit Analysis, Big Data
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Data Cleansing, Analytics, Machine Learning, Data Preprocessing, Regression Analysis, Data Mining, Python Programming, Scikit Learn (Machine Learning Library), Unsupervised Learning, Classification And Regression Tree (CART), Decision Tree Learning, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), UI Components, Full-Stack Web Development, JavaScript Frameworks, Web Applications, Web Components, Database Management, Software Development Tools, Software Architecture, Development Environment, Software Testing, NoSQL, Web Servers, Application Frameworks, Application Security, Authentications, Middleware, Performance Tuning, Semantic Web, Authorization (Computing)
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Site Reliability Engineering, Cloud Deployment, Google Cloud Platform, Application Deployment, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google App Engine, Kubernetes, Cloud Services, Cloud Solutions, Cloud Computing, Cloud Storage, Cloud Management, CI/CD, Cloud Security, Network Monitoring, Big Data, Infrastructure as Code (IaC), Load Balancing
Intermediate · Specialization · 1 - 3 Months