Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Illinois Tech
Skills you'll gain: Microsoft Windows, Windows PowerShell, Operating System Administration, Command-Line Interface, Operating Systems, Systems Administration, Desktop Support, System Configuration, Control Panels, OS Process Management, IT Automation, General Networking, Computing Platforms, Graphical Tools, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Architecture and Administration, Database Administration, Databases, Relational Databases, Big Data, Data Architecture, Data Processing, Data Integrity, Data Security, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, AI Orchestration, AI Personalization, OpenAI API, OpenAI, Cloud Deployment, Agentic systems, Application Deployment, Generative AI Agents, ChatGPT, CI/CD, System Monitoring, Context Management, Responsible AI, Artificial Intelligence, Generative AI, Development Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Continuity Planning, Continuous Monitoring, Security Management, ISO/IEC 27001, Security Controls, Information Systems Security, Risk Management, Risk Analysis, Security Strategy, Cyber Governance, Threat Modeling, NIST 800-53, Compliance Management, Regulatory Requirements
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Web Analytics and SEO, Marketing Analytics, Analytics, Technical Documentation, Technical Communication, Performance Metric, Data Analysis, Data-Driven Decision-Making, Team Oriented, Data Presentation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Billing, Looker (Software), Expense Management, Cloud Management, Billing & Invoicing, Dashboard, Cost Management, Expense Reports, Google Sheets, Account Management, Resource Management, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Governance, Threat Modeling, Incident Response, Network Security, Cyber Threat Intelligence, Malware Protection, Cyber Attacks, Governance Risk Management and Compliance, Hardening, Threat Detection, Security Strategy, Application Security, Mobile Security, Business Risk Management, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: AI Security, Threat Modeling, MITRE ATT&CK Framework, Security Controls, Responsible AI, MLOps (Machine Learning Operations), Secure Coding, Security Testing, Cybersecurity, Model Deployment, Data Security, Threat Detection, Artificial Intelligence and Machine Learning (AI/ML), Vulnerability Assessments, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics and SEO, Web Design, Web Design and Development, Content Management Systems, E-Commerce, Blogs, Information Architecture, User Experience Design, Role-Based Access Control (RBAC), Payment Systems
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prioritization, Jira (Software), Organizational Skills, Decision Making, Backlogs, Project Management Software, Timelines, Dashboard, Query Languages, Project Management, Resource Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Anomaly Detection, Microsoft Azure, Event Monitoring, Application Performance Management, Time Series Analysis and Forecasting, Generative AI, Query Languages, Data Integration, Process Optimization, Data Analysis, User Feedback
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Formulas, Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Data Validation, Data Visualization, Data Analysis, Interactive Data Visualization, Productivity Software, Data Integrity, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks