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: Vulnerability Scanning, Penetration Testing, MITRE ATT&CK Framework, Metasploit, Vulnerability Assessments, Security Testing, Open Web Application Security Project (OWASP), Cyber Security Assessment, Exploitation techniques, Virtual Machines, Technical Documentation, Microsoft Windows, Windows PowerShell, Linux Commands, Command-Line Interface, Software Installation
Intermediate · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Security Controls, Authentications, Security Testing, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Operations Research, Algorithms, Applied Mathematics, Graph Theory, Combinatorics, Computational Thinking, Mathematical Modeling, Theoretical Computer Science, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Content Strategy, Content Marketing, Content Performance Analysis, HubSpot CRM, Marketing Strategies, Web Content, Social Media Content, Paid media, Marketing, Digital Content, Content Creation, Marketing Automation, Marketing Analytics, Newsletters, Marketing Psychology, Digital Marketing, A/B Testing, Customer Relationship Management, UI/UX Strategy
Beginner · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Database Systems, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Business Intelligence, Big Data, Database Architecture and Administration, Information Systems, MySQL, Predictive Analytics, Database Design, MongoDB, Analytics, Scalability, Database Management Systems
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Sampling (Statistics), Descriptive Statistics, Data Presentation, Statistics, Estimation, Probability, Data-Driven Decision-Making, Probability & Statistics, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution, Data Visualization, Data Analysis, Histogram, Graphing
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronic Medical Record, Clinical Informatics, Health Technology, Health Information Management, Clinical Documentation, Decision Support Systems, Practice Management Software, Technical Support, End User Training and Support, Patient Registration, Databases, Change Control, Interoperability, Authentications
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Threat Intelligence, Mobile Security, Cyber Operations, Security Testing, Vulnerability Scanning, Network Security, Operating Systems, Encryption
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: User Research, Prototyping, Wireframing, User Interface and User Experience (UI/UX) Design, Human Centered Design, Interactive Design, Conceptual Design, Design, User Flows, Collaborative Software, Design Specifications, Persona Development, Design Software, User Interface (UI) Design, UI Components, Ideation, Animations
Intermediate · Professional Certificate · 3 - 6 Months

Rice University
Skills you'll gain: Computational Thinking, Programming Principles, Algorithms, Data Structures, Theoretical Computer Science, Computer Programming, Python Programming, Computer Science, Game Theory, Mathematical Modeling, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Test Driven Development (TDD), Continuous Integration, ASP.NET, .NET Framework, Git (Version Control System), Development Testing, C# (Programming Language), Integration Testing, Data Access, Data Integrity, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Natural Language Processing, Microsoft Azure, Computer Vision, No-Code Development, Machine Learning, Predictive Modeling, Artificial Intelligence, Responsible AI
Beginner · Course · 1 - 4 Weeks