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: CI/CD, Application Deployment, Software Development Life Cycle, Continuous Deployment, Continuous Integration, Amazon Web Services, AWS CloudFormation, Amazon Elastic Compute Cloud, Regression Testing, Unit Testing, Infrastructure as Code (IaC), Docker (Software), Containerization, Amazon S3, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
Intermediate · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Data Warehousing, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Computing Architecture, Cloud Infrastructure, Cloud Solutions, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms, Public Cloud, Software As A Service, Statistical Analysis, Data Strategy
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Storage, Extract, Transform, Load, Star Schema, Cloud Storage, Data Mart, Database Design, Snowflake Schema, Query Languages, Metadata Management, Data Transformation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Statistical Analysis, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Policy Development, Analytical Skills, Forecasting, R Programming, Data-Driven Decision-Making, Research Design, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Model View Controller, ASP.NET, OAuth, Web Development, Application Programming Interface (API), Web Services, Authentications, Unit Testing, C# (Programming Language), Web Applications, Application Security, Authorization (Computing), Software Testing, Data Access, Data Migration, Cloud Computing, Computer Programming, Data Validation
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Case Studies, Data Integrity, Compliance Management
Advanced · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Business Strategy, Product Development, Financial Forecasting, New Business Development, Financial Analysis, Customer Analysis, Innovation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Statistical Hypothesis Testing, Data Science
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Statistical Hypothesis Testing, Data Science, R Programming, Data Modeling, Statistical Analysis, Predictive Modeling, Mathematical Modeling, Probability & Statistics, Linear Algebra
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Product Roadmaps, Business Analysis, Requirements Management, Team Building, Business Requirements, Acceptance Testing, Business Process Modeling, Agile Methodology, Project Management Software, Business Modeling, Agile Project Management, Stakeholder Analysis, Registration, Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), OAuth, Data Validation, Authentications, Back-End Web Development, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Threat Modeling, Software Testing, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy
Intermediate · Course · 1 - 4 Weeks