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.

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud-Native Computing, Kubernetes, Continuous Delivery, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), System Monitoring, Serverless Computing, Performance Testing, Scenario Testing
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Hypertext Markup Language (HTML), Web Development Tools, Semantic Web, Web Development, Web Design, Data Validation, Development Environment, Verification And Validation, Integrated Development Environments, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Threat Modeling, Threat Detection, Intrusion Detection and Prevention, Exploitation techniques, Security Management, Network Security, Digital Forensics, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Risk Control, Risk Management, Compliance Reporting, Risk Mitigation, Risk Analysis, Business Risk Management, Internal Controls, Continuous Monitoring, Data Management, Key Performance Indicators (KPIs), Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Predictive Modeling, Predictive Analytics, Simulations, Exploratory Data Analysis, Experimentation, Research Design, Business Analytics, Operations Research, Project Design, Customer Analysis, A/B Testing, Data Mining, Business Analysis, Analytical Skills, Ideation, Advanced Analytics, Applied Machine Learning, Process Mapping, Problem Solving, Critical Thinking
Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: User Story, Agile Product Development, Agile Methodology, Design Thinking, User Research, Product Development, User Centered Design, Interviewing Skills, Usability Testing, Innovation, Team Oriented, Persona Development
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Scenario Testing, Energy and Utilities, Mathematical Modeling, Predictive Analytics, Experimentation, Laboratory Experience, Google Gemini, Predictive Modeling, Data-Driven Decision-Making, Forecasting, Data Modeling, Analytics, 3D Modeling, Simulation and Simulation Software, Simulations, Waste Minimization, Sustainable Technologies, Data Visualization, Artificial Intelligence, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Rust (Programming Language), System Programming, Package and Software Management, Data Structures, Software Installation, Test Data, Programming Principles, Secure Coding, Maintainability, Debugging, Software Design Patterns, Integrated Development Environments, Data Sharing, Data Management, Command-Line Interface, Capacity Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Maven, Java, Java Platform Enterprise Edition (J2EE), Object Oriented Design, Hibernate (Java), Unit Testing, File I/O, Docker (Software), Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design, Maintainability, System Configuration
Beginner · Specialization · 3 - 6 Months

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 I/O, File Systems, Programming Principles, File Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Email Automation, Workflow Management, Data Sharing, Product Testing, Document Management, Business Process Automation, Microsoft 365
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Risk Management, Risk Appetite, Continuous Monitoring, Risk Mitigation, Vulnerability Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks