ETL testing courses can help you learn data extraction techniques, transformation processes, and loading verification methods. You can build skills in validating data integrity, creating test cases, and automating testing workflows. Many courses introduce tools like Apache Nifi, Talend, and Informatica, that support implementing ETL processes and ensuring data quality in various applications.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Augmented and Virtual Reality (AR/VR), User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, MITRE ATT&CK Framework, Penetration Testing, Incident Response, Cyber Threat Hunting, Cybersecurity, Cyber Threat Intelligence, DevSecOps, Digital Forensics, Cloud Security, Patch Management, Cyber Security Assessment, Exploitation techniques, Network Security, Computer Security Incident Management, Business Continuity, Cryptography, Responsible AI, DevOps, Disaster Recovery
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Decision Making, Driving engagement, Behavioral Economics, Human Factors, UI/UX Strategy, User Experience, Persona (User Experience), User Centered Design, User Experience Design, Usability Testing, Psychology, Experimentation, Design Strategies, Trustworthiness, Motivational Skills, Social Skills, Behavioral Management, Product Management, Ethical Standards And Conduct, Digital Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Django (Web Framework), Server Side, Data Migration, Object-Relational Mapping, Full-Stack Web Development, Data Structures, Database Development, Operational Databases, Relational Databases
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Front-End Web Development
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Reinforcement Learning, Data-Driven Decision-Making, Markov Model, Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, Data Science, Statistical Methods, Anomaly Detection, Probability Distribution, Machine Learning Methods, Estimation, Statistical Analysis, Sampling (Statistics)
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Database Management Systems, Data Migration, Databases, Amazon Web Services, Data Mapping, Database Design, Cloud Platforms, Cloud Applications
Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Data Validation, Restful API, API Testing, Application Frameworks, Performance Tuning, Web Development, Software Versioning, Django (Web Framework), Software Documentation, Middleware, Node.JS, Scalability, JSON, Spring Boot, Test Automation
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Statistical Methods, Probability & Statistics, Statistical Modeling, Statistical Programming, Statistical Analysis, Probability Distribution, Statistical Inference, Bayesian Statistics, Data Science, Sampling (Statistics), Statistical Hypothesis Testing, R Programming, Dimensionality Reduction, Simulations, Statistical Visualization
Build toward a degree
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Algorithms, Computational Thinking, Programming Principles, Data Storage Technologies, Problem Solving, Software Design, Data Manipulation, C and C++, Tree Maps, Complex Problem Solving, Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, Microsoft Azure, Virtual Networking, Network Architecture, Cloud Computing Architecture, General Networking, Firewall, Network Security, Cloud Management, IT Automation, Data Migration, Cloud Security, Virtualization and Virtual Machines, Performance Tuning, Scalability, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Cloud Infrastructure, Cloud Deployment, Cloud Computing, Cloud Services, Virtual Networking, Cloud Management, Virtual Machines, Virtualization, Application Deployment, Data Migration, Disaster Recovery, Cloud Storage, Dynamic Host Configuration Protocol (DHCP), Containerization
Intermediate · Course · 1 - 4 Weeks