SQL Server courses can help you learn database design, query writing, data manipulation, and performance tuning. You can build skills in data analysis, creating stored procedures, and implementing security measures for data protection. Many courses introduce tools like SQL Server Management Studio and Azure Data Studio, along with methods for optimizing database performance and ensuring data integrity.

Skills you'll gain: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, Network Infrastructure, Computer Networking, Network Routing, Network Routers, Network Monitoring, Cloud Computing, Command-Line Interface, Firewall, Network Performance Management, Network Switches
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Containerization, Node.JS, CI/CD, Kubernetes, MongoDB, Docker (Software), Back-End Web Development, Restful API, Application Deployment, Microservices, Frontend Integration, NoSQL, DevOps, Software Technical Review, Application Programming Interface (API), Databases, Database Management, IBM Cloud, Authentications
Advanced · Course · 1 - 3 Months

Skills you'll gain: Amazon CloudWatch, Interactive Data Visualization, Application Performance Management, Security Controls, Cloud-Native Computing, Authentications, Network Monitoring, DevOps, Site Reliability Engineering, Amazon Web Services, System Configuration, Service Management, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Integration, Data Pipelines, Data Lakes, Microsoft Azure, Azure Synapse Analytics, Performance Tuning, Data Processing, Data Migration, Data Transformation, Data Validation, Microsoft SQL Servers, Data Storage
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, JavaScript Frameworks, Application Design, User Interface (UI), Frontend Performance, Web Analytics and SEO, Android Development, Server Side, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Cryptography, Firewall, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, Public Key Infrastructure, Network Monitoring, Encryption, Network Architecture, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches, Authentications
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, TCP/IP, Internet Of Things, Network Security, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Containerization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Data Mapping, Scalability, Information Architecture, Data Management, Data Structures, Query Languages, JSON, Data Import/Export, Big Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Linux Commands, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, System Monitoring, Systems Administration, Web Servers
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Wireless Networks, Cloud Computing, Network Monitoring, Network Security, Event Monitoring, Network Performance Management, Software-Defined Networking, Ansible, Network Administration, Authentications, Virtualization, Encryption, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Restful API
Advanced · Course · 1 - 3 Months

Skills you'll gain: Restful API, Docker (Software), Git (Version Control System), Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, Cloud Deployment, JSON, Object-Relational Mapping, API Testing, Programming Principles, Python Programming, Object Oriented Programming (OOP), Data Structures
Intermediate · Course · 1 - 3 Months