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 Colorado System
Skills you'll gain: Vital Signs, Patient Evaluation, Airway Management, Trauma Care, Emergency and Intensive Care, Medical History Documentation, Patient Communication, Child Health, Childbirth, Automated External Defibrillator, Medical Terminology, Health Assessment, Maternal Health, Patient Advocacy, Basic Patient Care, Respiratory Care, Neurology, Medication Administration, Cardiology, Pharmacology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Pre-Clinical Development, Drug Interaction, Clinical Trials, Pharmacology, Drug Development, Pharmaceuticals, Patient Safety, Clinical Research, Competitive Intelligence, Safety Standards, Laboratory Testing, Biochemical Assays, Medication Administration, Pharmacotherapy, Pharmaceutical Terminology, Safety Assurance, Biotechnology, Biochemistry, Laboratory Research, Chemistry
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Hardware Design, Electronics Engineering, Design Reviews, Computer-Aided Design, Electronic Components, Technical Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft 365, Microsoft Power Automate/Flow, Microsoft Power Platform, Data Governance, Data Migration, Business Process Automation, Content Management, Microsoft Teams, Microsoft Office, Trend Analysis, Document Management, Strategic Thinking, Strategic Planning, System Configuration, Compliance Management, Technology Roadmaps, DevOps, Microsoft Copilot, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Version Control, Large Language Modeling, Git (Version Control System), Data Management, Performance Testing, Dashboard, Machine Learning, Scripting, Performance Analysis, Technical Documentation
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Experimentation, Business Metrics, Data Storytelling, Return On Investment, Model Evaluation, Dashboard, Performance Measurement, Business Valuation, Key Performance Indicators (KPIs), A/B Testing, Performance Analysis, Analysis, Product Management, Machine Learning, Financial Analysis, Business, Stakeholder Communications, Sample Size Determination, Power Electronics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Site Reliability Engineering, Scalability, Performance Analysis, Data Maintenance, Analytics, Event Monitoring, Service Level Agreement, System Support, Performance Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, AI Workflows, Application Deployment, Kubernetes, Agentic Workflows, Azure Active Directory, System Monitoring, LangChain, Generative AI Agents, Microservices, Microsoft Azure, Artificial Intelligence, Distributed Computing, Serverless Computing, Natural Language Processing, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, Loans, Lending and Underwriting, FinTech, Cyber Risk, Operational Risk, Scalability, Regulatory Compliance, Interoperability, Commercial Lending, Payment Systems, Risk Management, Financial Inclusion, Exploit development, Derivatives, Key Management, Cryptography, Finance, Entrepreneurial Finance, Entrepreneurship
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Financial Modeling, Risk Management, Corporate Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Financial Forecasting, Investment Management, Return On Investment, Due Diligence, Cash Flows, Communication, Presentations
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Real Time Data, Data Integration, PySpark, Data Pipelines, Data Management, Automation, Data Storage, Jupyter, File Systems, Development Testing, Data Processing, Data Quality
Intermediate · Specialization · 1 - 3 Months