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.

Coursera
Skills you'll gain: MySQL Workbench, MySQL, Database Management, Databases, Database Management Systems, Relational Databases, Management Information Systems, SQL
Beginner · Guided Project · Less Than 2 Hours
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Communication Systems, Emerging Technologies, Informatics, Cryptography, Computational Thinking, Physics, Mathematical Modeling
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Awareness, Threat Detection, Test Tools, Firewall, OSI Models, Single Sign-On (SSO), Computer Networking, Data Encryption Standard, Cloud Computing, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: English Language, Vocabulary, Oral Comprehension, Language Learning, Grammar
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Geospatial Information and Technology, Spatial Analysis, Geographic Information Systems, GIS Software, Database Management, Global Positioning Systems, Decision Support Systems, Data Modeling, Data Mapping, Open Source Technology, Web Applications, Mobile Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, IT Security Architecture, Security Controls, Cloud Security, Encryption, Data Security, Network Administration, Information Assurance, Cybersecurity, Identity and Access Management, Cloud Computing, Penetration Testing, Cyber Risk, Vulnerability Scanning, Authorization (Computing), Computer Security Incident Management, Information Privacy
Intermediate · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Software-Defined Networking, User Accounts, Cloud Infrastructure, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Enterprise Risk Management (ERM), IT Management, Data Security, Disaster Recovery, Audit Planning, Information Technology, Risk Management, Information Systems Security, Data Validation, Compliance Management, Risk Mitigation, Data Governance, Information Assurance, Security Controls, Law, Regulation, and Compliance, Auditing, Data Integrity, Personally Identifiable Information, Identity and Access Management, Business Continuity
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Security Management, Vulnerability Assessments, Threat Management, IT Management, Security Strategy, Cyber Governance, Risk Management Framework, Security Controls, Cyber Risk, Security Awareness, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Cloud Services, Cloud Deployment, Generative AI, Cloud Security, Cloud Infrastructure, Cybersecurity, Cloud Platforms, Cloud Computing, Data Storage, Peripheral Devices, Computer Hardware, Cyber Attacks, System Configuration, Artificial Intelligence, Cloud Storage, OSI Models, General Networking, Data Security, Test Planning
Beginner · Specialization · 3 - 6 Months

Illinois Institute of Technology
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud-Native Computing, Operating System Administration, Open Source Technology, Cloud Security, Virtualization, Platform As A Service (PaaS), Linux, Package and Software Management, Containerization, Serverless Computing, Cloud Infrastructure, Web Development, Network Security, Shell Script, Identity and Access Management, Linux Administration, Cloud Computing, Microsoft Windows, Test Driven Development (TDD)
Earn a degree
Degree · 1 - 4 Years