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.

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, R (Software), Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Statistical Methods, Probability & Statistics, Quantitative Research, Sampling (Statistics), Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Containerization, DevOps, Application Deployment, Scalability, YAML, Performance Tuning, Disaster Recovery, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SAS (Software), Data Import/Export, Data Manipulation, Predictive Modeling, Statistical Analysis, SQL, Regression Analysis, R (Software), Data Analysis, Pandas (Python Package), Excel Macros, Statistical Hypothesis Testing, Software Installation, Data Cleansing, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: MySQL, Data Migration, Database Administration, Stored Procedure, User Provisioning, Data Validation
Advanced · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Serverless Computing, Application Programming Interface (API), Cloud Infrastructure, Containerization, Cloud Applications, Google Cloud Platform, Hybrid Cloud Computing, Cloud Computing, Cloud Services, Multi-Cloud, Kubernetes, Data Migration, Application Development, Virtual Machines
Beginner · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Cloud Infrastructure, Network Performance Management, Network Monitoring, Google Cloud Platform, Command-Line Interface, Virtual Machines, Virtual Private Networks (VPN), Performance Testing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Role-Based Access Control (RBAC), Code Review, Continuous Integration, Code Coverage, Software Quality Assurance, Software Quality (SQA/SQC), Software Technical Review, CI/CD, Apache Maven, GitHub, PostgreSQL, Programming Principles, Software Engineering, Software Development, Configuration Management, Git (Version Control System), Building Codes, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Data Migration, Microsoft SQL Servers, Cloud Hosting, Cloud Applications, Performance Tuning, Cloud Management, Platform As A Service (PaaS), Web Applications, System Configuration, Windows Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Front-End Web Development, Application Programming Interface (API), Event-Driven Programming, Development Environment
Beginner · Course · 1 - 3 Months