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: Prompt Engineering, Generative AI, Google Gemini, Generative AI Agents, Application Deployment, LLM Application, Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, Responsible AI, AI Personalization, Performance Tuning, Application Programming Interface (API), Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Incident Response, Firewall, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Authentications, Linux Commands
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Application Deployment, Web Applications, Web Development, Full-Stack Web Development, Authentications, Development Environment, Data Modeling, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blood Collection, Phlebotomy, Medication Administration, Healthcare Ethics, Automated External Defibrillator, Medical Laboratory, Cardiopulmonary Resuscitation (CPR), First Aid, Emergency Medicine, Laboratory Testing, Airway Management, Diagnostic Tests, Health Care, Emergency Response, Dignity in Care, Patient Communication, Patient-centered Care, Critical Thinking and Problem Solving, Decision Making, Critical Thinking
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Statistical Analysis, Statistical Methods, Probability & Statistics, Quantitative Research, Data Analysis, Descriptive Statistics, Statistical Hypothesis Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Business Continuity, Threat Modeling, Threat Detection, Cyber Attacks, Security Awareness, Risk Analysis, Compliance Management, Regulatory Requirements, Business Analysis, Investigation
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Statistical Methods, Regression Analysis, Statistical Hypothesis Testing, Statistical Modeling, Statistical Analysis, R Programming, Business Analytics, Advanced Analytics, Estimation, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Database Development, Database Management, Object-Relational Mapping, Back-End Web Development, Full-Stack Web Development, C# (Programming Language), Authorization (Computing), Model View Controller, Authentications, Data Modeling, Data Migration, Business Logic, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, Authentications, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML), Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud Storage, Google Cloud Platform, Cloud Management, Data Lakes, Data Import/Export, Data Storage, Data Storage Technologies, Data Migration
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Migration, MySQL, Google Cloud Platform, Database Management, SQL, Data Pipelines, Data Storage Technologies, Operational Databases, Cloud Management, Data Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Package and Software Management, Software Installation, Programming Principles, Integrated Development Environments, Command-Line Interface
Beginner · Course · 1 - 3 Months