Queuing theory courses can help you learn about arrival processes, service mechanisms, and system performance metrics. You can build skills in analyzing queue behavior, optimizing resource allocation, and forecasting wait times. Many courses introduce tools like simulation software and statistical analysis programs, which help you apply these concepts to real-world situations such as traffic flow management, telecommunications, and customer service optimization.

John Wiley & Sons
Skills you'll gain: Database Design, Relational Databases, SQL, Database Application, Data Integrity, Database Management, Database Theory, Database Systems, Stored Procedure, Data Store, Network Model, Database Architecture and Administration, Transaction Processing, Database Management Systems, Systems Development, Microsoft SQL Servers, Query Languages, Data Access, Data Modeling, Data Management
Intermediate · Specialization · 3 - 6 Months

University of Amsterdam
Skills you'll gain: Culture, Interpersonal Communications, Media and Communications, Liberal Arts, Ancient History
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Programming Principles, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Computer Programming, Graph Theory, Software Design Patterns, Communication
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Database Software, Database Management Systems, SQL, Database Theory, Relational Databases, Database Management, Databases, MySQL, Database Administration, Data Integrity, Query Languages, Data Manipulation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, Database Development, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Systems, Database Architecture and Administration, Databases, Database Software, Database Administration, Data Store, Database Management, Data Modeling, Query Languages, Big Data, Data Architecture, Database Application
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computer Programming, Java Programming, Java
Intermediate · Course · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: SQL, Relational Databases, Database Design, Database Application, Data Integrity, Stored Procedure, Database Architecture and Administration, Database Development, Database Management, Query Languages, Data Store, Performance Tuning, Graph Theory, Data Modeling, Extensible Markup Language (XML), Extensible Languages and XML, Data Access, Application Design, Performance Management, Network Troubleshooting
Advanced · Course · 1 - 3 Months

Skills you'll gain: Music Performance, Music, Music Theory, Instrumental Music, Coordination
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Portfolio Management, Portfolio Risk, Financial Market, Investments, Securities (Finance), Investment Management, Financial Systems, Securities Trading, Asset Management, Behavioral Economics, General Finance, Capital Markets, Risk Modeling, Equities, Financial Trading, Performance Measurement, Finance, Performance Analysis, Risk Management, Return On Investment
Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Supply And Demand, Financial Policy, Market Dynamics, International Finance, Financial Systems, Economics, Economic Development, Banking Services, International Relations, Production Process, Operational Efficiency, Consumer Behaviour, Financial Market, Banking, Policy Analysis, Research, and Development, Market Trend, Market Analysis, Public Policies, Economics, Policy, and Social Studies, Key Performance Indicators (KPIs)
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), SQL, Database Management, Azure DevOps, Object Oriented Design, Continuous Integration, Object Oriented Programming (OOP), ASP.NET, Debugging, Relational Databases, Secure Coding, Cloud Deployment, .NET Framework, Microsoft Copilot, Scalability, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months