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.

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, PHP (Scripting Language), Web Applications, Data Management, Generative AI, Web Development, ChatGPT, Application Development, Application Security, Microsoft Visual Studio, Cascading Style Sheets (CSS), Debugging, SQL, User Interface (UI) Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Spring Boot, API Design, Application Programming Interface (API), Spring Framework, JSON, Object-Relational Mapping, Business Logic, Integration Testing, Data Modeling, Server Side, Software Architecture, Data Persistence, Data Access
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Dataflow, Extract, Transform, Load, Data Warehousing, Data Quality, Performance Tuning, Data Cleansing, Google Cloud Platform, Data Processing, Workflow Management, Data Validation, Apache Spark, Scalability, Data Transformation, Operational Efficiency, Scheduling, Resource Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Microsoft Azure, Virtual Networking, Network Architecture, Cloud Computing Architecture, General Networking, Firewall, Network Security, Cloud Management, IT Automation, Data Migration, Cloud Security, Virtualization and Virtual Machines, Performance Tuning, Scalability, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Web Applications, Web Development, JavaScript Frameworks, Database Management, Application Programming Interface (API), Software Architecture, NoSQL, Web Servers, Authentications, Application Security, Middleware, Performance Tuning, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Dataflow, Data Pipelines, Model Deployment, Data Warehousing, Data Lakes, Real Time Data, Data Preprocessing, Dashboard, Cloud Engineering, Data Infrastructure, Tensorflow, Data Processing, Apache Spark, Big Data, Extract, Transform, Load, Applied Machine Learning, Data Migration, Data Storage Technologies, Cloud Storage
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Analysis Expressions (DAX), Data Storage, Data Transformation, SQL, Data Manipulation, Performance Tuning
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: SQL, Database Management, Relational Databases, Databases, Database Design, Data Visualization, Web Scraping, Interactive Data Visualization, Data Processing, Object Oriented Programming (OOP), Data Modeling, Geospatial Mapping, Python Programming, Web Development, Data Collection
Mixed · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Exploitation techniques, Unix, Network Security, Cybersecurity, Application Security, Information Systems Security, Web Applications, Virtual Machines, Web Servers
Beginner · Course · 1 - 4 Weeks