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: Apache Airflow, Data Migration, Data Pipelines, Cloud Deployment, Data Import/Export, Cloud Development, Development Environment
Intermediate · Project · Less Than 2 Hours

Packt
Skills you'll gain: Databases, Web Applications, Application Frameworks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Data Pipelines, Data Migration, Extract, Transform, Load, Cloud Storage, Data Infrastructure, Big Data, Data Processing, Data Lakes, Apache Airflow, Analytics, Data Storage, Data Transformation, Metadata Management, Apache Spark, Automation, Real Time Data, Serverless Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: System Programming, Interoperability, Object Oriented Programming (OOP), Data Structures, Software Development, Debugging
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Kubernetes, Containerization, Data Migration, Google Cloud Platform, Virtual Machines, Windows Servers, Cloud Platforms, Cloud Deployment, Command-Line Interface
Beginner · Project · Less Than 2 Hours

MathWorks
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Data Sharing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cybersecurity, Anomaly Detection, Cyber Threat Intelligence, Threat Detection, AI Security, Security Awareness, Network Analysis, Generative AI, Prompt Engineering, Email Security, Machine Learning
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Salesforce Development, Salesforce, CI/CD, Software Architecture, Solution Architecture, Continuous Deployment, Systems Architecture, Continuous Integration, Code Review, Relational Databases, Software Technical Review, Integration Testing, Software Design, Software Design Patterns, Database Design, Maintainability, Enterprise Architecture, Diagram Design, System Design and Implementation, Scalability
Beginner · 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), Database Design, Application Frameworks, Authorization (Computing), Model View Controller, Authentications, Data Modeling, Data Migration, Data Mapping, Business Logic, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Redshift, Database Management, Operational Databases, Transaction Processing, Data Migration, Amazon Elastic Compute Cloud, NoSQL, Redis, Relational Databases, Data Warehousing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Google Gemini, Software Testing, Code Review, Software Development Tools, Application Development, Software Documentation, Maintainability, Debugging, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Cloud Management, Application Deployment, Databases, SQL, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management, Data Transformation, Scalability
Beginner · Specialization · 3 - 6 Months