SQL courses can help you learn database design, data manipulation, query optimization, and data retrieval techniques. You can build skills in writing complex queries, managing relational databases, and ensuring data integrity. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, demonstrating how to use these platforms for data analysis and reporting. You'll also explore key topics such as joins, indexing, and transaction management, which are vital for effective data management and analysis.

Skills you'll gain: Model Evaluation, Customer Analysis, Model Training, Logistic Regression, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, E-Commerce, Big Data, Data Access, Applied Machine Learning, Data Analysis, Classification Algorithms
Intermediate · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: ASP.NET, Data Migration, Configuration Management, Data Validation, Middleware, .NET Framework, Debugging, Back-End Web Development, Object-Relational Mapping, Database Design, Database Management, Data Modeling, Restful API, Maintainability, Unit Testing
Intermediate · Course · 1 - 3 Months

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

Google Cloud
Skills you'll gain: Data Access, Command-Line Interface, Big Data, Google Cloud Platform, Query Languages, Data Import/Export
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Scanning, Security Testing, Cybersecurity, Vulnerability Assessments, Network Security, Web Applications, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Real Time Data, Data Governance, Data Transformation, Business Transformation, Looker (Software), Data Access, Data Warehousing, Big Data, Business Intelligence, Google Cloud Platform, Analytics, Data-Driven Decision-Making, Dataflow, Data Management, Data Pipelines, Cloud Solutions
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Data Processing, Distributed Computing, Performance Tuning, Big Data, Software Architecture, Scalability, Program Development, System Configuration, File I/O, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Web Frameworks, Scalability, JavaScript Frameworks, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Operational Databases, Application Programming Interface (API), Software Development Tools
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Google Cloud Platform, Analytics, Data Analysis, SQL, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Agentic Workflows, MongoDB, Generative AI Agents, Scalability, Context Engineering, Data Architecture, Systems Design, System Design and Implementation, Development Environment, Embeddings, PostgreSQL, Database Design, Object-Relational Mapping, Data Modeling, SQL, Data Migration, Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Real Time Data, Google Cloud Platform, Data Integration, Data Architecture, Data Processing, Extract, Transform, Load, Cloud-Based Integration, Big Data, Data Import/Export, Analytics, Data Storage, Data Collection
Intermediate · Course · 1 - 4 Weeks