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: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Architecture, Extract, Transform, Load, Data Security, Data Pipelines, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Exploitation techniques, Threat Detection, Infrastructure Security, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Information Privacy
Intermediate · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: Closing (Sales), Cold Calling, Customer Analysis, Sales Process, Target Market, Marketing, Market Analysis, Marketing Strategies, Competitive Analysis, Marketing Planning, Business Marketing, Sales, Growth Strategies, Market Research, Sales Prospecting, New Business Development, Business Development, A/B Testing, Entrepreneurship, Digital Marketing
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Prompt Engineering, Penetration Testing, Vulnerability Assessments, Security Testing, Large Language Modeling, Vulnerability Management, Risk Management Framework
Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Epidemiology, Infectious Diseases, Risk Analysis, Public Health, Investigation, Case Studies, Laboratory Testing, Statistical Analysis, Research Methodologies, Statistics, Report Writing
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Unit Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Applications, Front-End Web Development, JavaScript Frameworks, Integration Testing, Development Environment, UI Components, Javascript, Data Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), File Management, Engineering Design Process, Interoperability
Beginner · Course · 1 - 3 Months

University of Florida
Skills you'll gain: Infectious Diseases, Infection Control, Epidemiology, Critical Care, Public Health, Respiratory Care, Mechanical Ventilation, Socioeconomics, Patient Treatment, Diagnostic Tests, Immunology, Personal protective equipment, Laboratory Testing, Clinical Assessment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Università Bocconi
Skills you'll gain: Data Analysis, Innovation, Strategic Decision-Making, Statistical Analysis, Data-Driven Decision-Making, Regression Analysis, Decision Making, Statistical Methods, Big Data, Business Metrics, A/B Testing, Probability, Machine Learning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Business Continuity, Network Security, Cryptography, AWS Identity and Access Management (IAM), Encryption, User Provisioning, Security Management, Penetration Testing, Vulnerability Scanning, ISO/IEC 27001, Threat Management, Network Performance Management, Information Systems Security, Network Architecture, DevSecOps, Cyber Operations, Data Management, Software Development Methodologies, Cybersecurity
Beginner · Specialization · 3 - 6 Months