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: Retrieval-Augmented Generation, Vector Databases, Embeddings, Tool Calling, AI Workflows, Generative AI Agents, Document Management, Query Languages, Text Mining, Context Management
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Classification Algorithms, Applied Machine Learning, Logistic Regression, Supervised Learning, Predictive Modeling, Decision Tree Learning, Data Preprocessing, Model Evaluation, Text Mining, Machine Learning Algorithms, Scalability, Machine Learning, Natural Language Processing, Big Data, Probability & Statistics, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, OAuth, Web Development Tools, Database Management, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Software Development, Application Development, Web Servers, NoSQL
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Professional Development, Data Pipelines, Apache Airflow, Professional Networking, Data Infrastructure, Portfolio Management, GitHub, Software Development, Apache Spark, Communication, Data Quality, Collaboration, Apache, Python Programming, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, PySpark, Databricks, Data Pipelines, Data Processing, Big Data, Apache, Real Time Data, Python Programming, Model Evaluation, Machine Learning, SQL, Data Transformation, Performance Tuning, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, Data Lakes, Data Architecture, Databricks, Data Infrastructure, Data Pipelines, Data Warehousing, Database Architecture and Administration, Data Integration, Apache Spark, Data Processing, Real Time Data, Big Data, Data Integrity, Scalability, Performance Tuning, Data Management, SQL
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Real Time Data, Apache Spark, Fraud detection, PySpark, Databricks, Data Pipelines, Dashboard, Big Data, Performance Tuning, Data Processing, Anomaly Detection, Operational Databases, Internet Of Things, Data Analysis, Performance Analysis, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, System Design and Implementation, Java, Systems Design, Service Oriented Architecture, Software Design, Performance Tuning, Authentications, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Event-Driven Programming, Database Application, .NET Framework, Visual Basic (Programming Language), Maintainability, Service Management, Application Design, Business Logic, SQL, Data Validation, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Computer Programming, Programming Principles, Algorithms, Web Applications, Object Oriented Programming (OOP), Information Technology, Information Systems, Data Structures, Javascript, SQL, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, IT Security Architecture, Application Security, Data Validation, Vulnerability Assessments, Cryptography, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Data Import/Export, Extract, Transform, Load, Big Data, Data Pipelines, Data Processing, Data Migration, SQL, Analytics, Data Manipulation, MySQL, Data Quality, Scalability, Data Security, Scheduling
Beginner · Course · 1 - 4 Weeks