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: PostgreSQL, Data Maintenance, Performance Tuning, Database Architecture and Administration, Data Migration, Relational Databases, Data Management, Data Persistence, SQL, Data Integrity, Database Management, Disaster Recovery, Transaction Processing, System Monitoring
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Web Applications, Threat Management, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization, Scientific Visualization, Data Visualization Software, Interactive Data Visualization, Seaborn, Scatter Plots, Graphing, Jupyter, NumPy, Histogram, Performance Tuning, Data Science, Development Environment, Python Programming, Software Installation, Distributed Computing, Unit Testing, Research
Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Database Administration, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Databases, Operational Databases, Data Maintenance, Database Design, Data Management, Data Integrity, Data Security, SQL, Data Validation, System Monitoring, Security Controls, Performance Tuning, Query Languages, Disaster Recovery, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Web Frameworks, Web Components, UI Components, Web Analytics and SEO, User Interface (UI), Usability, Hypertext Markup Language (HTML), Interaction Design, Design, Color Matching, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Design, User Interface (UI) Design, Android (Operating System), Application Development, Application Lifecycle Management, Mobile Development Tools, Build Tools, Event-Driven Programming, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Development Environment, Maintainability, Microsoft Visual Studio, Application Design, Microsoft Development Tools, Application Programming Interface (API), Software Design, Software Development Tools, Software Design Patterns, File I/O, Application Deployment, Authentications, Software Testing, Unit Testing, Package and Software Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Amazon S3, Amazon Web Services, Serverless Computing, Cloud Infrastructure, Application Deployment, Cloud Engineering, Amazon Elastic Compute Cloud, Kubernetes, Cloud-Native Computing, Cloud Deployment, Cloud Storage, Infrastructure As A Service (IaaS), Containerization, Cloud Services, Data Storage, Data Storage Technologies, Scalability, Load Balancing, Capacity Management, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Data Integration, Data Processing, Enterprise Application Management, Performance Tuning, Data Manipulation, Data Analysis, Distributed Computing, Data Import/Export, SQL, Analysis, Data Transformation, Program Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, Model Optimization, People Analytics, Model Training, Random Forest Algorithm, R Programming, Workforce Management, Predictive Analytics, Decision Tree Learning, R (Software), Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Pandas (Python Package), Plot (Graphics), Interactive Data Visualization, Data Visualization, Data Analysis, Data Visualization Software, Restful API, Application Programming Interface (API), Python Programming, Data Manipulation, Data Validation, Context Management
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Plot (Graphics), R Programming, R (Software), Statistical Analysis, Ggplot2, Data Import/Export, Statistical Methods, Statistical Programming, Model Training, Data Structures, Programming Principles, Data Analysis, Machine Learning Methods, Data Visualization, Data Preprocessing, Data Science, Model Evaluation, Machine Learning, Applied Machine Learning, Data Manipulation
Intermediate · Course · 1 - 4 Weeks