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.

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Decision Support Systems, Data Warehousing, Data Mining, Database Design, Business Intelligence, Dashboard, Star Schema, Relational Databases, Database Management, Snowflake Schema, Data Visualization Software, Data Visualization, Business Reporting, Database Management Systems, SAS (Software), Data Modeling, Interactive Data Visualization, SQL, Descriptive Statistics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, Brute-force attacks, General Networking, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Wireless Networks, System Configuration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Story, User Interface (UI), User Interface and User Experience (UI/UX) Design, Design Thinking, Mockups, Usability Testing, Wireframing, User Experience, Product Design, User Centered Design, User Feedback, Prototyping, Figma (Design Software)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Compilation, Correlation Analysis, Data Collection, Statistical Inference, Statistics, Statistical Methods, Statistical Modeling, Predictive Modeling, Data Analysis, Statistical Hypothesis Testing, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Visualization
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Threat Modeling, Human Factors (Security), Web Development, Web Servers
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: SQL, Data Quality, Complex Problem Solving, Data Visualization, JSON, Query Languages, Business Metrics, Business Reporting, Data Cleansing, Data Presentation, Forecasting, Data Analysis, Predictive Analytics, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Copywriting, Advertising, Marketing, ChatGPT, Content Creation, Marketing Strategies, Marketing Analytics, Customer Insights, Social Media Content
Beginner · Guided Project · Less Than 2 Hours

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, LLM Application, Data Engineering, Data Manipulation, Snowflake Schema, Large Language Modeling, Model Deployment, Data Warehousing, Unstructured Data, Embeddings, Cloud Development, SQL, Natural Language Processing, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC)
Beginner · Professional Certificate · 1 - 3 Months

Goldman Sachs
Skills you'll gain: Market Research, New Product Development, Product Development, Entrepreneurship, Product Design, Innovation, Focus Group, Market Analysis, Ideation, Business Development, Product Testing, Logistics
Mixed · Course · 1 - 4 Weeks

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

University of Cape Town
Skills you'll gain: Informed Consent, Healthcare Ethics, Scientific Methods, Intensive Care Medicine, Diagnostic Tests, Patient Education And Counseling, Cultural Diversity, Critical Care, Ethical Standards And Conduct, Cultural Sensitivity, Patient Communication
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, FinTech, Interoperability, Payment Systems, Financial Inclusion, Emerging Technologies, Financial Systems, Cryptography, Digital Assets, Financial Regulation, Banking, Transaction Processing, Data Integrity, Computer Security, Governance
Beginner · Course · 1 - 4 Weeks