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: Research Design, Science and Research, Laboratory Research, Research Methodologies, Statistical Analysis, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Magnetic Resonance Imaging, Image Analysis, Medical Equipment and Technology, Human Learning, Medical Imaging
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Structural Engineering, Construction Engineering, Construction, Engineering Management, Equipment Design, Construction Management, Engineering Practices, Hydraulics, Architecture and Construction, Mechanics, Safety Standards, Engineering, Mechanical Design, Engineering Calculations, Civil Engineering, Structural Analysis, Mechanical Engineering, Hazard Analysis, Construction Inspection, Engineering Analysis
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Application Deployment, GitHub, Software Development Tools, Version Control, DevOps, Test Automation, Program Development, Automation, Key Management, Software Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Risk, Risk Management, Threat Management, IT Management, Security Controls, Security Management, Business Risk Management, Vulnerability Assessments, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Threat Modeling, Cyber Security Policies, Information Assurance, Data Security, Technical Communication, Stakeholder Communications, Business Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Inference, Regression Analysis, R Programming, Statistical Analysis, Statistical Modeling, Predictive Modeling, Advanced Analytics, Mathematical Modeling, Probability & Statistics, Data Validation, Statistical Hypothesis Testing, Probability
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Network Protocols, Network Security, Vulnerability Scanning, Cybersecurity, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Command-Line Interface, Software Installation, Virtual Machines, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Backlogs, User Story, Sprint Planning, Project Estimation, Agile Methodology, Agile Product Development, Sprint Retrospectives, Agile Project Management, Estimation, Acceptance Testing, Prioritization, Team Management, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Data Centers, DevSecOps, System Monitoring, Threat Detection, Microsoft Servers, Security Management, Payment Card Industry (PCI) Data Security Standards, Information Systems Security, Windows Servers, IT Infrastructure, Security Information and Event Management (SIEM), Security Testing, Disaster Recovery, IT Automation, Virtual Machines, Configuration Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Predictive Modeling, Applied Machine Learning, Scikit Learn (Machine Learning Library), Data Analysis, Data Import/Export, Google Cloud Platform, Jupyter, Decision Tree Learning, Data Processing, Machine Learning, Random Forest Algorithm, Statistical Visualization
Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Construction, Construction Inspection, Construction Management, Equipment Design, Construction Engineering, Construction Estimating, Maintenance, Repair, and Facility Services, Product Lifecycle Management, Cost Estimation, Architecture and Construction, Building Codes, Engineering Practices, Commercial Construction, Machine Controls, Plant Operations and Management, Structural Engineering, Environmental Engineering, Facility Management and Maintenance, Automation Engineering, Civil Engineering
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Data Validation, Data Mapping, Verification And Validation, Data Sharing, Javascript, Document Management, Hypertext Markup Language (HTML), Technical Documentation, Interoperability, Maintainability, Data Integrity, Information Architecture, Software Documentation, Data Management, Scripting, Web Content Accessibility Guidelines
Beginner · Specialization · 3 - 6 Months