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.

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Data Modeling, Regression Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Active Directory, Technical Support and Services, System Configuration, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Food and Beverage, Consumer Behaviour, Quality Assurance, Laboratory Testing, Product Testing, Usability Testing, Science and Research, Data Collection, Nutrition and Diet, Surveys, Scientific Methods, Research, Psychology, Acceptance Testing, Analytical Testing, Biology, Product Development, Analytical Skills, Medical Science and Research, Physiology
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Scatter Plots, Microsoft Excel, Probability & Statistics, Statistics, Data Import/Export, Data Analysis
Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Electronic Systems, Electronics, Electronic Components, Basic Electrical Systems, Engineering Design Process, Schematic Diagrams, Performance Testing, System Design and Implementation, Engineering Analysis, Mathematical Modeling, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Mobile Development, Cross Platform Development, React Redux, iOS Development, Continuous Integration, Apple iOS, Test Automation, Unit Testing, Data Persistence, User Interface (UI), Angular, Application Development, UI Components, User Interface (UI) Design, Application Frameworks, TypeScript, Debugging, Animations
Beginner · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Music, Multimedia, Design, Design Research, Usability Testing, Design Thinking, Design Strategies, Human Centered Design
Intermediate · Course · 1 - 3 Months

Shanghai Jiao Tong University
Skills you'll gain: Human Factors, Consumer Behaviour, Industrial and Organizational Psychology, Psychological Evaluations, Psychology, Professional Development, Organizational Effectiveness, Emotional Intelligence, Criminal Investigation and Forensics, Human Development, Mental Health, Personal Attributes, Leadership, Decision Making, Scientific Methods
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Governance, Accounting, Data Management, Internal Controls, Internal Auditing, Control Objectives for Information and Related Technology (COBIT), Auditing, Financial Auditing, Fraud detection, Data Quality, Accounting Software, Data Integrity, Pandas (Python Package), Emerging Technologies, Data Analysis, Analytics, Automation, GitHub, Python Programming, Natural Language Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Web Analytics, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Advertising Campaigns, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
Beginner · Course · 1 - 4 Weeks

Campus BBVA
Skills you'll gain: Data Storytelling, Dashboard, Business Analytics, Data Quality, Business Intelligence, Data Analysis, Descriptive Statistics, Data-Driven Decision-Making, Statistical Inference, Statistics, Big Data, Exploratory Data Analysis, Statistical Hypothesis Testing, Project Management Life Cycle, Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prototyping, User Interface (UI) Design, Usability, User Research, Interactive Design, Design Strategies, UI/UX Research, User Centered Design, Mockups, Visual Design, Usability Testing, Graphic and Visual Design Software, Figma (Design Software), Design Thinking, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks