Relational database courses can help you learn SQL, data modeling, normalization, and query optimization. You can build skills in designing efficient database schemas, managing data integrity, and performing complex data retrieval. Many courses introduce tools like MySQL, PostgreSQL, and Microsoft SQL Server, showing how these platforms support your ability to create and manage databases effectively. You'll also explore indexing strategies, transaction management, and data security practices, all essential for robust database management.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, GIS Software, Geographic Information Systems, Geospatial Mapping, Geostatistics, Interactive Data Visualization, Data Integration, Data Mapping, Augmented Reality, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Local Area Networks, Networking Hardware, Network Protocols, Network Model
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Stakeholder Management, Rmarkdown, Data Presentation, Data Storytelling, Data Visualization, Data Validation, Data Literacy, Ggplot2, Data Ethics, Data-Driven Decision-Making, Interactive Data Visualization, Analytical Skills, Data Integrity, Dashboard, Data Synthesis, Data Visualization Software, Tableau Software, Case Studies, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, TCP/IP, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Web Development, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Statistical Visualization, Data Visualization Software, Tableau Software, Data Ethics, Exploratory Data Analysis, Scatter Plots, Heat Maps, Data Integrity
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Kubernetes, Configuration Management, Containerization, Scalability, Software Documentation, Application Deployment, Cloud Deployment, Java, Spring Framework, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), Secure Coding, Java Programming, React.js
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Teradata SQL, Identity and Access Management, SQL, Data Import/Export, Data Integration, Google Cloud Platform, Extract, Transform, Load, Data Warehousing, Big Data, Data Architecture, Database Design, Database Architecture and Administration, Cloud Computing Architecture, Data Modeling, Data Security
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Store, Data Cleansing, Data Mapping, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Control Systems, Network Model, Mechanical Engineering, Systems Analysis, Automation, Real-Time Operating Systems, Differential Equations, Safety Assurance, Verification And Validation
Build toward a degree
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: NumPy, Data Structures, Data Analysis, Object Oriented Programming (OOP), Exploratory Data Analysis, Image Analysis, Data Science, Data Transformation, Data Manipulation, Big Data, Performance Tuning, Python Programming, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Azure Synapse Analytics, Data Integration, Cloud Storage, Data Lakes, Data Pipelines, Data Storage, Databricks, Microsoft SQL Servers, NoSQL, .NET Framework, Data Security, Real Time Data, Encryption, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, Data Integrity, Oracle Databases, Business Logic, Stored Procedure, SQL, Relational Databases, Database Management, Database Development, Event-Driven Programming, Auditing, Debugging, Maintainability
Mixed · Course · 1 - 4 Weeks