Database management courses can help you learn data modeling, SQL querying, database design, and normalization techniques. You can build skills in data integrity, performance tuning, and backup strategies to ensure efficient database operations. Many courses introduce tools like MySQL, PostgreSQL, and MongoDB, demonstrating how these technologies support data storage and retrieval while enhancing your ability to manage large datasets effectively.

Skills you'll gain: Network Troubleshooting, Distributed Denial-Of-Service (DDoS) Attacks, Network Administration, Hardening, Network Monitoring, Intrusion Detection and Prevention, Cybersecurity, Network Protocols, Firewall, General Networking, Network Infrastructure, Network Performance Management, Authentications, Identity and Access Management, Encryption, Virtual Local Area Network (VLAN), Multi-Factor Authentication, Wireless Networks
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Analysis, Financial Market, Investment Management, Investments, Finance
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Software Installation, Application Development, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Digital Transformation, Business Transformation, Goal Setting, Predictive Modeling, Organizational Change, Change Management, Business Strategy, Action Oriented, Strategic Thinking, Innovation, Emerging Technologies, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, Network Administration, Cloud Security, Cybersecurity, Infrastructure Security, Role-Based Access Control (RBAC), Cloud Computing, Authorization (Computing), Identity and Access Management, Email Security, Network Infrastructure, Network Protocols, Authentications, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, Budget Management, Digital Marketing, Promotional Strategies, Marketing Strategies, Resilience, Brand Marketing, Strategic Partnership, Growth Strategies, Relationship Building, Brand Awareness, Brand Strategy, Business Relationship Management, Sustainable Business, Music Performance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Non-Profit Accounting, Financial Reporting, Expense Management, Compliance Reporting, Standard Accounting Practices, Management Reporting, Financial Statement Analysis, Financial Statements, Balance Sheet, Cash Flows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Package and Software Management, Linux Administration, Linux Commands, Unix Shell, Systems Administration, Hardening, Unix Commands, Patch Management, Scripting, System Monitoring, User Accounts, Dynamic Host Configuration Protocol (DHCP), System Configuration, OS Process Management, Firewall, Process Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Sales Presentation, Presentations, Sales Presentations, Product Demonstration, Microsoft PowerPoint, Solution Selling, Proposal Development, Multimedia, Organizational Skills, Sales
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Strategic Leadership, Change Management, Organizational Change, Leadership, Organizational Leadership, Visionary, Decision Making, Communication, Culture Transformation, Organizational Strategy, Emotional Intelligence, Conflict Management, Negotiation, Empathy, Business Strategy, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Amazon Bedrock, Agentic Workflows, Serverless Computing, Responsible AI, Generative AI Agents, AI Security, Prompt Engineering, Cloud Deployment, Help Desk Support, Product Support, Customer Relationship Management (CRM) Software, Customer Relationship Management
Beginner · Project · Less Than 2 Hours