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: Microbiology, Epidemiology, Public Health, Infectious Diseases, Investigation, Environment, Environmental Monitoring, Laboratory Testing, Anthropology, Diagnostic Tests, Qualitative Research, Data Collection
Mixed · Course · 1 - 3 Months

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Classification And Regression Tree (CART), Jupyter, Regression Analysis, Statistical Programming, Predictive Modeling, Statistical Analysis, Probability Distribution, Data Science, Markov Model, Statistics, Simulations, Python Programming, Statistical Visualization, Mathematical Software, Statistical Inference
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Network Security, Vulnerability Scanning, Wireless Networks, Cybersecurity, Exploitation techniques, Linux, Vulnerability Assessments, Information Systems Security, Command-Line Interface, Network Analysis, Encryption, Virtual Private Networks (VPN), System Configuration, Software Installation, File Management, Virtual Machines
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Java, Computational Thinking, Graph Theory, Performance Testing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Construction Inspection, Building Codes, Construction Engineering, Construction, Construction Management, Civil Engineering, Civil and Architectural Engineering, Structural Engineering, Hydrology, Engineering Practices, Hydraulics, Structural Analysis, Materials science, Engineering Plans And Specifications, Laboratory Testing, Engineering Software, Engineering Design Process, Plant Operations and Management, Safety Standards, Engineering Calculations
Advanced · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Blockchain, Key Management, Threat Modeling, Application Security, Computer Security, Public Key Infrastructure, Security Controls, Cryptography, Cybersecurity, Network Security, Information Systems Security, Data Security, Security Engineering, Vulnerability Assessments, Secure Coding, Cryptographic Protocols, Infrastructure Security, Encryption, Security Testing, Solution Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Continuous Integration, CI/CD, Application Deployment, Node.JS, Version Control, Test Automation, Software Development Tools, Git (Version Control System), Software Development, GitHub, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: DevSecOps, DevOps, Application Security, Secure Coding, Security Testing, Continuous Delivery, CI/CD, Security Engineering, Continuous Integration, Threat Modeling, Containerization, Continuous Monitoring, Infrastructure as Code (IaC), Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Vulnerability Assessments, 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

Coursera
Skills you'll gain: Postman API Platform, Data Validation, Application Programming Interface (API), Restful API, Secure Coding, Verification And Validation, Microservices, Performance Testing, Security Testing, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Selenium (Software), Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Java, Extensible Markup Language (XML), Data Import/Export
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Collection, Data Visualization, Data-Driven Decision-Making, Microsoft Excel, Project Management, Data Analysis, Compensation and Benefits, Google Sheets, Timelines, Data Cleansing, Agile Methodology, Employee Surveys, Focus Group
Beginner · Course · 1 - 3 Months