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.

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Routing Protocols, Javascript, Database Design, Development Environment
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Software Development Tools, Integrated Development Environments, Unit Testing, Code Review, Application Development, Software Documentation, Technical Documentation, Maintainability, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Relational Databases, Database Architecture and Administration, Oracle Databases, Data Storage Technologies, Data Migration, Key Management, Data Integrity, Encryption, Data Loss Prevention, Data Security
Advanced · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Regression Analysis, Statistical Modeling, Statistical Methods, Data Visualization, R Programming, Statistical Analysis, Case Studies, Business Analytics, Advanced Analytics, Analytics, Data Analysis, Statistical Hypothesis Testing, Variance Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Cloud Services, Azure DevOps, Cloud Computing, Azure DevOps Pipelines, Microsoft Azure, CI/CD, Cloud Deployment, Continuous Deployment, Continuous Delivery, Continuous Integration, Application Performance Management, Application Deployment, Full-Stack Web Development, Node.JS, Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Containerization, Data Migration, Google Cloud Platform, Virtual Machines, Windows Servers, Cloud Platforms, Cloud Deployment, Command-Line Interface
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Unit Testing, Google Gemini, Gemini, Development Testing, Code Review, Application Development, Debugging, Software Documentation, Maintainability
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Computing, Network Performance Management, Network Monitoring, Google Cloud Platform, Virtual Networking, Command-Line Interface, Virtual Machines, Virtual Private Networks (VPN), Performance Testing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Zero Trust Network Access, Disaster Recovery, Virtual Networking, Data Migration, Cloud Computing Architecture, Network Architecture, Infrastructure As A Service (IaaS), Cloud Security, Data Storage Technologies, Hybrid Cloud Computing, Firewall, Virtual Private Networks (VPN), Platform As A Service (PaaS), Load Balancing
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: GitHub, Git (Version Control System), Version Control, Collaborative Software, Software Versioning, Software Development Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Google Cloud Platform, Embeddings, Cloud API, Application Programming Interface (API), Vector Databases, Unsupervised Learning, Interactive Data Visualization, Natural Language Processing, Classification Algorithms, Data Processing, Development Environment
Intermediate · Course · 1 - 3 Months