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.

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Unity Engine, Video Game Development, 3D Assets, Visualization (Computer Graphics), Computer Graphics, Game Design, Prototyping, Interaction Design, Virtual Environment, Storyboarding, User Interface (UI), Human Computer Interaction, 3D Modeling, Animations, Application Design, Display Devices, Ideation, Usability Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Intellectual Property, Adobe Express, Adobe Firefly, Entrepreneurship, Business Planning, Marketing Communications, Adobe Creative Cloud, Marketing, Campaign Management, Adobe Acrobat, Creative Problem-Solving, Presentations, Creative Thinking, Creativity, Content Creation, Social Media, Branding, Digital Content, Client Services, A/B Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Governance, General Data Protection Regulation (GDPR), Data Management, Data Strategy, Metadata Management, Data Architecture, Compliance Management, Data Storage Technologies, Data Integration, Cost Reduction, Data Maintenance, Data Processing, Information Privacy, Data Storage, MLOps (Machine Learning Operations), Data Quality, AI Enablement, Analytics, Extract, Transform, Load, Expense Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Probability & Statistics, Probability, Statistics, Bayesian Statistics, Statistical Methods, Statistical Modeling, Statistical Analysis, Probability Distribution, Sampling (Statistics), Sample Size Determination, Data Analysis
Mixed · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Criminal Investigation and Forensics, Scientific Methods, Chemistry, Blood Collection, Investigation, Case Studies, Biochemistry, Analytical Chemistry, Pharmacology, Laboratory Testing, Pathology, Molecular Biology, Deductive Reasoning, Estimation
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), Vulnerability Assessments, Vulnerability Management, Application Security, Security Controls, Security Testing, Authentications, Threat Management, Dependency Analysis, Application Programming Interface (API), API Design, Risk Analysis, Data Validation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, Data Lakes, PySpark, Apache Spark, Data Quality, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Automation, Marketing Planning, Marketing Analytics, Competitive Analysis, Prompt Engineering, Email Automation, Search Engine Optimization, Generative AI, Key Performance Indicators (KPIs), AI Personalization, Lead Generation, A/B Testing, Content Creation, Web Analytics, Performance Measurement, Data Visualization, Customer Insights, Data-Driven Decision-Making, Digital Marketing, Content Strategy
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Business Intelligence, Data-Driven Decision-Making, Data Mining, Business Analytics, Data Analysis, Data Management, Data Visualization, Data Warehousing, Data Wrangling, Extract, Transform, Load, Statistical Analysis, Data Visualization Software, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Pandas (Python Package), MLOps (Machine Learning Operations), NumPy, Model Deployment, Data Manipulation, Software Testing, Data Import/Export, Test Automation, Python Programming, Debugging, Data Structures, Machine Learning, Object Oriented Programming (OOP), Scripting, Numerical Analysis, Application Programming Interface (API), Command-Line Interface
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Digital Forensics, Investigation, Cybersecurity, Data Integrity, Criminal Investigation and Forensics, Data Ethics, Computer Security, Scenario Testing, Technical Communication, Incident Response, Writing, Technical Documentation, Data Analysis Software, File Systems, Artifactory, Microsoft Windows
Beginner · Course · 1 - 3 Months
Skills you'll gain: CI/CD, Bitbucket, DevOps, Data Pipelines, Jira (Software), Debugging
Intermediate · Course · 1 - 4 Weeks