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.

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, Cloud Services, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Network Protocols, Cloud Computing Architecture, Cloud Platforms, Network Routing, Linux Administration, Network Troubleshooting, Linux, Kubernetes, Network Switches, Terraform
★ 4.6 (123) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Security Controls, Security Awareness, Change Control, Computer Security Awareness Training, Cybersecurity, Security Management, Information Assurance, Data Security, Safety and Security, Cyber Security Policies, Data Ethics, Human Factors (Security), Cyber Security Assessment, Data Integrity, Authorization (Computing), Identity and Access Management
★ 4.7 (111) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, System Configuration, Digital Forensics
★ 4.8 (58) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Analytics, Data Visualization, Business Analytics, Data Analysis, Interactive Data Visualization, Microsoft PowerPoint, Data Presentation, Presentations, Excel Formulas, Data-Driven Decision-Making, Dashboard, Data Storytelling, Dashboard Creation, Microsoft Excel, Customer Analysis, Data Visualization Software, Big Data, Target Market, Oral Expression, Data Cleansing
★ 4.6 (11K) · Beginner · Specialization · 3 - 6 Months

Intel
Skills you'll gain: Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, AI literacy, Automation, Responsible AI, B2B Sales
★ 4.5 (762) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Risk Management Framework, Cloud Standards, Cyber Risk, Data Security, Security Management, ISO/IEC 27001, Information Privacy, Infrastructure as Code (IaC), Cyber Security Policies, Security Controls, Enterprise Security, Google Cloud Platform
★ 4.5 (79) · Beginner · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Pivot Tables And Charts, Data Storytelling, Power BI, Data Presentation, Microsoft Excel, Excel Formulas, Dashboard Creation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Data Cleansing, Data Manipulation, Data Preprocessing, Spreadsheet Software, Excel Macros, Data Wrangling, Data Processing, Tree Maps, Data Analysis
★ 4.8 (6.1K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storage Technologies, Data Storage, Data Management, Data Maintenance, System Configuration, Application Security, Computer Hardware, Hardening, Software Installation, Information Technology, Disaster Recovery, Security Controls, Information Systems Security, Data Security, Data Integrity, Firewall, Role-Based Access Control (RBAC), Identity and Access Management, Encryption
★ 4.7 (157) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Digital pedagogy, Train The Trainer, English Language, Verbal Communication Skills, Critical Thinking
★ 4.9 (16K) · Mixed · Course · 1 - 3 Months

Intuit
Skills you'll gain: Bookkeeping, Ledgers (Accounting), Financial Accounting, Financial Reporting, Accounting, Financial Statements, Accounting Records, General Accounting, General Ledger, Standard Accounting Practices, Transaction Processing, Balance Sheet, Income Statement, Business Ethics, Accounting Software, Ethical Standards And Conduct, Cash Flows, Equities, Journals
★ 4.6 (6.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Information Technology, Cyber Security Strategy, Penetration Testing, Cyber Security Policies, Technical Support and Services, Incident Response, Computer Security Awareness Training, Security Awareness, Vulnerability Assessments, Network Security, Data Security, Information Assurance, Cloud Security, Operating Systems, Computer Hardware
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Cloud Storage, Analytics, Data Storage, NoSQL, Data Warehousing, SQL
★ 4.7 (145) · Beginner · Course · 1 - 4 Weeks