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: Release Management, Application Deployment, Test Planning, CI/CD, Software Quality Assurance, Performance Testing, Software Development Life Cycle, Software Testing, Maintainability, Risk Management, Test Driven Development (TDD), Data Validation, Behavior-Driven Development, Product Lifecycle Management, Systems Analysis, Systems Thinking, Business Process Automation, Data Modeling, Process Flow Diagrams, Digital Transformation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Warehousing, Data Cleansing, Data Import/Export, Data Migration, Data Manipulation, Software Installation, Data Transformation, Software Versioning, Version Control
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, Open Web Application Security Project (OWASP), Vulnerability Assessments, Exploitation techniques, Test Planning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Selenium (Software), Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Test Data
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, User Acceptance Testing (UAT), Test Planning, Verification And Validation, Acceptance Testing, System Testing, Unit Testing, Functional Testing, Usability Testing, Integration Testing, Performance Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Transformation, Extract, Transform, Load, Data Manipulation, SQL, Integrated Development Environments, Data Processing, Databases, Application Programming Interface (API), Code Review, Restful API, Python Programming, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, SQL Server Integration Services (SSIS), Data Cleansing, Data Pipelines, Data Quality, Data Migration, Data Mapping, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Test Tools, Software Testing, Code Review, Test Automation, Software Technical Review, Test Planning, Software Quality (SQA/SQC), Scripting, Risk Analysis, Software Quality Assurance, Continuous Integration, CI/CD, Regression Testing, Code Coverage, Test Case, Unit Testing, Quality Assurance, Security Testing
Advanced · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Testability, Test Case, Software Testing, Eclipse (Software), Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Java, Test Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MySQL Workbench, Extract, Transform, Load, Data Modeling, Database Design, MySQL, Data Warehousing, Database Management, Databases, Relational Databases, Database Architecture and Administration, Advanced Analytics, Data Analysis, Data Visualization Software
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Extract, Transform, Load, Pandas (Python Package), NumPy, Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Visualization Software, Package and Software Management, Graphing, Data Analysis, Jupyter, Data Import/Export, Python Programming, Data Manipulation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Business Analytics, Data Visualization Software, Analytical Skills, Exploratory Data Analysis, Data Quality, Data-Driven Decision-Making, Extract, Transform, Load, Data Manipulation, Pandas (Python Package), Data Cleansing, Data Transformation, Jupyter, SQL, Python Programming, Relational Databases, Application Programming Interface (API)
Build toward a degree
Beginner · Course · 1 - 4 Weeks