Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Data Pipelines, Microsoft SQL Servers, Microsoft Azure, Database Development, Data Warehousing, SQL, Data Integration, Data Maintenance, Extract, Transform, Load
★ 4.2 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Statistical Visualization, Data Wrangling, Data Science, Data Structures
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Sciences, Economics, Policy, and Social Studies, Socioeconomics, World History, Sociology, Public History, Trend Analysis, Data Analysis, Big Data, Research, Higher Education, Political Sciences, Education and Training, Case Studies
★ 4.7 (127) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Spatial Data Analysis, Statistical Visualization, Dashboard Creation, Data Wrangling, Salesforce, Data Mapping, Graphing, Advanced Analytics, Data Integration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Canva (Software), Digital Design, Design Elements And Principles, Product Design, Design Software, Graphic and Visual Design Software, Creative Design, Layout Design, Graphic Design, Intellectual Property, Product Promotion, Digital Marketing Tools, E-Commerce, Color Matching, Digital Publishing, Digital Content, Digital Assets, Marketing
★ 4.4 (1.4K) · Advanced · Guided Project · Less Than 2 Hours
Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Vulnerability Assessments, Computer Networking, Cybersecurity, General Networking, Network Model, Network Infrastructure, Firewall, Security Controls, Cloud Computing, Virtual Private Networks (VPN)
★ 4.8 (7.3K) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Analytical Skills, Research, Critical Thinking, Trustworthiness, Query Languages, Due Diligence, Market Research, Risk Management, Annual Reports
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, Data Ethics, Governance, Governance Risk Management and Compliance, Compliance Management, Enterprise Risk Management (ERM), Risk Management Framework, Risk Management, Business Ethics, Artificial Intelligence, Ethical Standards And Conduct, Organizational Strategy, Law, Regulation, and Compliance, Artificial Intelligence and Machine Learning (AI/ML), Information Privacy, Generative AI, Information Management, Agentic systems, Generative AI Agents, Business Leadership
★ 4.8 (173) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Cassandra, Data Manipulation, Distributed Computing, Transaction Processing, NoSQL, Database Design, Query Languages, Performance Tuning, Scalability, Data Integrity, Data Management, Java, Java Programming
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Ancient History, Art History, Liberal Arts, World History, Aesthetics, Performing Arts, European History, Ethical Standards And Conduct, Anthropology, Sociology, Psychology
★ 4.8 (2.6K) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ESXi Installation, vSphere Networking and Storage, Virtual Networking, vCenter Server Management, vSphere DRS & HA, Role-Based Access Control (RBAC), Performance Tuning, vSAN ESA, vCenter Server, Virtual Machines, Disaster Recovery, Storage vMotion, VMware ESX Servers, iSCSI Configuration, VMware vSAN, Event Monitoring, Data Centers, Network Switches, Virtualization and Virtual Machines, Virtualization
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Management, Business Reporting, Data Manipulation, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks