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.

Arizona State University
Skills you'll gain: Human Factors, Human Factors Engineering, Control Systems, Sports Medicine, Human Musculoskeletal System, Mechanics, Human Centered Design, Product Design, Injury Prevention, Rehabilitation
Intermediate · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Cloud Security, Tax Compliance, Cloud Computing, Sales Tax, Regulation and Legal Compliance, Tax Management, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Digital Forensics, Interoperability, Criminal Investigation and Forensics, Competitive Analysis, Market Analysis, Market Dynamics
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Acceptance Testing, Database Management, Web Applications, Microservices, Software Architecture, Software Engineering, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, User Acceptance Testing (UAT), Application Development, Distributed Computing, Prototyping, Requirements Elicitation, Test Automation, Agile Product Development, Big Data, Data Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Test Tools, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Web Scraping, Data Validation, Test Case, Web Development Tools, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Content Accessibility Guidelines, Usability, Usability Testing, Web Design, Web Development Tools, Test Tools, Web Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Data Transformation, Unit Testing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: UI/UX Research, User Interface (UI) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience Design, Interactive Design, User Centered Design, Mockups, Usability Testing
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Embedded Software, Verification And Validation, Software Development Life Cycle, Systems Development Life Cycle, Configuration Management, Requirements Analysis, Risk Management Framework, Change Requests, Quality Control, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Health Informatics, ICD Coding (ICD-9/ICD-10), Clinical Data Management, Data Mining, Medical Records, Clinical Informatics, Descriptive Analytics, Database Design, Electronic Medical Record, Precision Medicine, Analytics, Relational Databases, Patient Flow, Exploratory Data Analysis, Descriptive Statistics, Predictive Analytics, Predictive Modeling, SQL, Interoperability, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Cloud Computing Architecture, Network Security, Incident Response, Threat Management, Cloud Security, Threat Modeling, Risk Analysis, Business Risk Management, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Cyber Threat Intelligence
Intermediate · Specialization · 3 - 6 Months

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

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months