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.

Board Infinity
Skills you'll gain: Containerization, Docker (Software), Application Deployment, Cloud Platforms, Kubernetes, Amazon Web Services, Cloud Computing, Continuous Deployment, CI/CD, Continuous Integration, Web Development, Microservices, Devops Tools, Scalability
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Statistics, Descriptive Statistics, Pandas (Python Package), Data Science, Python Programming, Programming Principles, Scripting, Computational Logic
Mixed · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Brainstorming, Strategic Thinking, Storytelling, Human Centered Design, Data Visualization, Growth Mindedness, A/B Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blood Collection, Phlebotomy, Medication Administration, Healthcare Ethics, Automated External Defibrillator, Medical Laboratory, Cardiopulmonary Resuscitation (CPR), First Aid, Emergency Medicine, Laboratory Testing, Airway Management, Diagnostic Tests, Health Care, Emergency Response, Dignity in Care, Patient Communication, Patient-centered Care, Critical Thinking and Problem Solving, Decision Making, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Email Automation, Front-End Web Development, User Interface (UI), Java, Server Side, Java Programming, MySQL, Hypertext Markup Language (HTML), Web Development, Web Applications, Data Access, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Databases
Intermediate · Course · 1 - 4 Weeks

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

Alibaba Cloud Academy
Skills you'll gain: Cloud-Native Computing, Cloud Applications, Kubernetes, DevOps, Cloud Platforms, Containerization, Cloud Infrastructure, Cloud Security, Serverless Computing, Scalability, Artificial Intelligence and Machine Learning (AI/ML), Data Migration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Integration, Data Import/Export, NumPy, Data Wrangling, Data Manipulation, Pandas (Python Package), Data Pipelines, Data Transformation, Extract, Transform, Load, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Google Cloud Platform, Network Administration, Cloud Infrastructure, TCP/IP, Infrastructure As A Service (IaaS), Servers, Development Testing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Microsoft Power Platform, Data Analysis Expressions (DAX), Power BI, Microsoft Azure, Dashboard, Workflow Management, Data Integration, Cloud-Based Integration, Data Modeling, Multi-Tenant Cloud Environments, Enterprise Application Management, Data Visualization Software, Data Management, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Cybersecurity, Ansible, Malware Protection, Incident Response, Infrastructure Security, Infrastructure as Code (IaC), Terraform, Cloud Computing, Virtualization, Virtual Machines, Amazon Web Services, Linux
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Generative AI, Software Development Tools, Prompt Engineering, Code Review, Software Development, Application Development, Automation, Unit Testing, Software Documentation, Maintainability, Responsible AI, Test Case, Natural Language Processing
Beginner · Course · 1 - 4 Weeks