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: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Import/Export, Data Persistence, Development Environment, Software Installation
Mixed · 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, White-Box Testing, Unit Testing, Functional Testing, Integration Testing, Software Development Life Cycle, Software Development
Beginner · 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, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Visualization, Business Analytics, Data Visualization Software, Business Intelligence, Analytical Skills, Exploratory Data Analysis, Data Quality, Data Analysis, Data-Driven Decision-Making, Extract, Transform, Load, Analytics, Data Manipulation, Pandas (Python Package), Data Cleansing, Data Processing, SQL, Python Programming, Relational Databases
Build toward a degree
Beginner · Course · 1 - 4 Weeks

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

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, System Testing, Test Case, Test Automation, Development Testing, Test Planning, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation, Data Storage Technologies, Debugging
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Data Warehousing, Big Data, Databases, Business Analytics, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Acceptance Testing, Test Planning, Unit Testing, Functional Testing, Test Automation, JUnit, Java Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Teradata SQL, Stored Procedure, Performance Tuning, Database Management, Extract, Transform, Load, Solution Design, Data Import/Export, Database Design, System Implementation, Data Manipulation, Data Processing, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Statistical Inference, Estimation, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Data Analysis, Decision Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months