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: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Accounts, Identity and Access Management, Security Management, Authorization (Computing), System Configuration, Collaborative Software, Compliance Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Troubleshooting, Technical Support and Services, Data Governance
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: File Systems, Linux Administration, Linux Servers, Linux, Linux Commands, Software Installation, Data Storage, Data Management, System Configuration, Data Integrity, Data Migration, Command-Line Interface, System Monitoring, System Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Ansible, Docker (Software), Cloud Infrastructure, Infrastructure Security, IT Automation, Application Security, Containerization, Bash (Scripting Language), Continuous Delivery, Firewall, Unit Testing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Performance Tuning, Google Cloud Platform, Performance Testing, Application Performance Management, Cloud Applications, Cloud Computing, Server Side
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Real Time Data, Extract, Transform, Load, Data Processing, File I/O, Data Transformation, Jupyter, Google Cloud Platform, SQL, Analytics
Advanced · Course · 1 - 3 Months

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Network Engineering, Software Development Tools, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Firewall, Performance Testing, Web Servers, Virtual Machines, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Security Controls
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: AWS Kinesis, Real Time Data, Apache Spark, Apache Hive, Data Pipelines, Apache Hadoop, Data Processing, Extract, Transform, Load, Amazon Web Services, Serverless Computing, Data Lakes, Data Visualization, Amazon S3, Query Languages, Data Warehousing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Data Migration, Apache Cassandra, Docker (Software), Databases, Operational Databases, Database Application, Application Deployment, Data Import/Export
Beginner · Project · Less Than 2 Hours

Skills you'll gain: SAS (Software), Data Import/Export, Data Manipulation, Predictive Modeling, Statistical Analysis, SQL, Logistic Regression, 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