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.

DeepLearning.AI
Skills you'll gain: Database Design, Software Design Patterns, Databases, Application Design, Database Management, Software Design, Software Architecture, System Design and Implementation, Large Language Modeling, Artificial Intelligence, Security Testing, Secure Coding, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Security Assessment, Network Security, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Vulnerability Assessments, Application Security, Intrusion Detection and Prevention, Security Awareness, Web Servers
Intermediate · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Telecommunications, Electronics, Electrical Engineering, Electronic Systems, Wireless Networks, Engineering Design Process, Simulation and Simulation Software, Engineering Analysis, Engineering Calculations, Computer-Aided Design, Physics, Process Design
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Data Literacy, Data Visualization, Data Analysis, Peer Review, Research Design, Statistics, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Research, Probability, Quantitative Research, Analytics, Probability Distribution, Analysis, Correlation Analysis, Statistical Inference, Statistical Hypothesis Testing
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Requirements Analysis, Unified Modeling Language, Object Oriented Design, Functional Requirement, Data Modeling, Object Oriented Programming (OOP), Systems Development Life Cycle, System Requirements, Software Development, Software Engineering, Software Systems, Project Planning, Project Management
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Product Testing, Hazard Analysis, Analytical Chemistry, Environmental Regulations, Pharmacology, Biochemistry, Cell Cultures, Environmental Science, Biochemical Assays, Laboratory Research, Biostatistics, Bioinformatics, Molecular Biology, Data Mining
Intermediate · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Unified Modeling Language, Matplotlib, Software Testing, Docker (Software), Unit Testing, Development Testing, CI/CD, Test Automation, Data Manipulation, Pandas (Python Package), Data Visualization, Scripting, Data Modeling, DevOps, Programming Principles, Python Programming, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Safety Standards, Safety Training, Safety Assurance, Hazard Analysis, Equipment Design, Risk Management Framework, Control Systems, Product Testing, Failure Analysis, Automation, Torque (Physics)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Health Technology, Health Systems, Health Policy, Health Care, Informatics, Healthcare Industry Knowledge, Health Information Management and Medical Records, Health Information Management, Information Technology, Health Care Procedure and Regulation, Health Insurance Portability And Accountability Act (HIPAA) Compliance, System Requirements, Interoperability, Electronic Medical Record, Data Literacy, Data Sharing, Technology Strategies, Medical Imaging, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Quantitative Research, Statistical Analysis, Marketing Analytics, Market Research, Data Analysis, Marketing, Target Market, Market Analysis, Regression Analysis, Sample Size Determination, Quality Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webpack, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Front-End Web Development, Test Automation, Development Testing, Performance Testing, Software Development Tools, WordPress, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infectious Diseases, Pathology, Patient Evaluation, Microbiology, Infection Control, Public Health and Disease Prevention, Internal Medicine, Diagnostic Tests, Bloodborne Pathogens, Laboratory Testing, Water Resources, Neurology, Public Health, Sanitation, Immunology, Biology, Case Studies, Patient Treatment, Preventative Care, Health Care
Intermediate · Course · 1 - 3 Months