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.

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Linux Commands, Command-Line Interface, Linux, File Systems, Programming Principles
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Google Analytics, Marketing Budgets, Pay Per Click Advertising, Digital Marketing, Paid media, Google Ads, Marketing Strategies, Digital Advertising, Driving engagement, Campaign Management, Web Analytics, Online Advertising, Advertising Campaigns, Budget Management, Bidding, Marketing Analytics, Lead Generation, Facebook, A/B Testing, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Google Cloud Platform, Application Deployment, Cloud Applications, Go (Programming Language), Serverless Computing, Cloud-Native Computing, Continuous Deployment, Development Testing, Data Store, Containerization, Database Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Collaborative Software, Application Programming Interface (API), Restful API, Software Development Tools, Software Documentation, Mockups, Test Tools, Software Versioning, Version Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, User Interface (UI), Game Design, Video Game Development, Animation and Game Design, UI Components, Scripting, Performance Testing, System Testing, Programming Principles, Data Structures, No-Code Development, Virtual Environment, Scalability, Development Testing, Artificial Intelligence, Object Oriented Design, Event-Driven Programming, Interactive Design, Prototyping
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Computing Architecture, Cloud Security, Vulnerability Assessments, Cyber Threat Intelligence, Zero Trust Network Access, Cybersecurity, Threat Modeling, Network Security, Infrastructure Security, Threat Detection, Mobile Security, Disaster Recovery, Authentications
Intermediate · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Application Development, Cloud Applications, Payment Systems, Cryptography, Investments, FinTech, Digital Assets, Open Source Technology, Distributed Computing, Microservices, E-Commerce, Transaction Processing, Interoperability, Algorithms, Scalability, Governance
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Semiconductors, Micrometer, Materials science, Process Flow Diagrams, Electronic Components, Laboratory Procedures, Mechanical Engineering, Electrical Engineering, Personal protective equipment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Go (Programming Language), Package and Software Management, Data Structures, Program Development, Debugging, Software Testing, Object Oriented Programming (OOP), File Management, Performance Tuning, JSON
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Database Design, Database Systems, Data Migration, Databases, Solution Design
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Hydrology, Water Quality, Water Resources, Environmental Monitoring, Research Reports, Environment and Resource Management, Natural Resource Management, Geographic Information Systems, Environmental Science, Laboratory Testing, Geospatial Information and Technology, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Stakeholder Communications, Customer Insights, Product Management, Product Improvement, New Product Development, Product Lifecycle Management, Product Roadmaps, Innovation, Agile Methodology, Business Analytics, Data-Driven Decision-Making, Product Testing, Lean Methodologies, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks