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.

Skills you'll gain: Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Java, Application Design, Unit Testing, Middleware, Service Oriented Architecture, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Design, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Import/Export, Data Transformation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Database Design, MySQL Workbench, MySQL, Relational Databases, SQL, Database Management, Data Manipulation, Data Migration, User Acceptance Testing (UAT), Scalability
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Linux, Cybersecurity, Operating System Administration, Operating Systems, Windows PowerShell, Unix Commands, Microsoft Windows, Computer Systems, Mac OS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Web Design and Development, Professional Development, Programming Principles, Jest (JavaScript Testing Framework), JavaScript Frameworks, Web Development Tools, Web Development, Software Development
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Cloud Engineering, Command-Line Interface, Data Pipelines, CI/CD, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Test Automation, Algorithms
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Case, Test Script Development, Test Planning, Test Automation, Test Engineering, Continuous Integration, Test Tools, CI/CD, Software Quality Assurance, Regression Testing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Risk Analysis, Risk Management, Generative AI, Root Cause Analysis, Data-Driven Decision-Making, Analysis, Strategic Decision-Making, Trend Analysis, Scenario Testing, Strategic Thinking, Data Ethics, Strategic Planning, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Test Script Development, Software Development Life Cycle, Google Cloud Platform, Development Testing, Application Development, Test Case, Query Languages, Debugging
Beginner · Course · 1 - 4 Weeks