Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

Skills you'll gain: SQL, Database Management, Database Design, Database Architecture and Administration, Query Languages, Databases, Data Manipulation, Performance Tuning, Data Integrity
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Stored Procedure, SAS (Software), Data Integrity, Data Manipulation, Query Languages, Relational Databases, Data Transformation, Performance Tuning, Debugging, Data Management
Beginner · Course · 1 - 3 Months
The Hong Kong University of Science and Technology
Skills you'll gain: Prompt Engineering, Vibe coding, HTML and CSS, Generative AI, Web Development, Python Programming, Data Analysis, Artificial Intelligence, Data Science, Program Development, Simulations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Power BI, Dashboard, Statistical Analysis, Data Quality, R Programming, Budgeting, Data Import/Export, Excel Formulas, Microsoft Excel, Financial Analysis, Data Analysis, Data Transformation, Pandas (Python Package), Financial Modeling, Pivot Tables And Charts, Business Intelligence, Extract, Transform, Load, Performance Analysis, Data Modeling
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Ruby (Programming Language), Program Development, File I/O, Development Environment, Maintainability, Data Structures, Computer Programming, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Architecture and Administration, Database Administration, Data Maintenance, Operational Databases, Relational Databases, Capacity Planning, Database Management, Data Integrity, Application Performance Management, Disaster Recovery, Data Validation, Performance Tuning, Problem Management, Demand Planning, SQL, Data Access, Forecasting, Resource Planning, Performance Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Simple Object Access Protocol (SOAP), Service Oriented Architecture, Enterprise Architecture, Web Services, Data Integration, Application Programming Interface (API), Data Modeling, Back-End Web Development, API Design, Server Side, Extensible Markup Language (XML), Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Tools, Automation, C# (Programming Language), Scripting, Browser Compatibility, UI Components, User Interface (UI), Web Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Application, Microsoft SQL Servers, Data Integrity, Databases, Database Management, Data Modeling, Visual Basic (Programming Language), Application Development, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Rmarkdown, Knitr, Data Visualization, Data Validation, Statistical Hypothesis Testing, Data Presentation, Dashboard, Data Synthesis, Usability Testing, Regression Analysis, Power BI, A/B Testing, Data Transformation, Market Research, Statistical Analysis, R Programming, Business Intelligence, Microsoft Excel, Surveys
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Dataflow, Real Time Data, File I/O, Javascript, Event-Driven Programming, Web Development Tools, Server Side, TCP/IP, Front-End Web Development
Intermediate · Course · 1 - 3 Months