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.

Skills you'll gain: Azure Active Directory, Data Loss Prevention, Endpoint Security, Cloud Security, Active Directory, Endpoint Detection and Response, Authentications, Personally Identifiable Information, Multi-Factor Authentication, Data Security, Multi-Tenant Cloud Environments, User Provisioning, Security Controls, Threat Management, Role-Based Access Control (RBAC), Malware Protection, Data Governance, Threat Detection, User Accounts
★ 4.6 (20) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: NIST 800-53, Security Controls, Security Requirements Analysis, Continuous Monitoring, Cyber Security Policies, Information Assurance, Information Systems Security, Cyber Security Assessment, Personally Identifiable Information, Data Security, Multi-Factor Authentication, Computer Security Awareness Training, Document Management, System Monitoring, Identity and Access Management, Incident Management, Encryption
★ 4.6 (54) · Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Statistical Programming, Statistical Analysis, Statistical Software, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
★ 4.6 (3.2K) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Financial Statements, Financial Statement Analysis, Inventory Accounting, Balance Sheet, Financial Acumen, Financial Accounting, Financial Reporting, Financial Analysis, Accounting, Depreciation, Fixed Asset, Accounts Receivable, Accounts Payable and Receivable, Loans, Payment Processing and Collection, Ledgers (Accounting), Equities, Property Accounting, Tax
★ 4.8 (561) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Business Intelligence, Business Intelligence Software, Stakeholder Communications, Stakeholder Analysis, Data-Driven Decision-Making, Dashboard, Real Time Data, Data Integration, Data Modeling, Project Design, Data Analysis, Business Metrics, Plan Execution, Dashboard Creation, Business Process Improvement, Business Process, Project Implementation, Data Pipelines, Continuous Monitoring
★ 4.8 (2.1K) · Advanced · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: AI Security, Responsible AI, Business Ethics, Data Ethics, Ethical Standards And Conduct, Information Privacy, Decision Intelligence, Accountability Frameworks, Artificial Intelligence, AI literacy, Accountability, Law, Regulation, and Compliance, Business, Governance, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Incident Response, Technical Support and Services, Continuous Improvement Process, Cybersecurity, Process Improvement, Incident Management, Quality Improvement, Performance Metric, Desktop Support, Operating Systems, Service Improvement, Computer Hardware, Cyber Attacks, Technical Support, Operating System Administration, Customer Support
★ 4.5 (50) · Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Workspace, Meeting Facilitation, Collaborative Software, Virtual Teams, Events and Conferences, Business Solutions, Calendar Management, Discussion Facilitation, Control Panels, Scheduling, Live Streaming, Data Sharing
★ 4.8 (175) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Data Migration, Performance Tuning, Agentic systems, Generative AI, Generative Model Architectures, Model Deployment, AI Security, Containerization, Large Language Modeling, Embeddings, Role-Based Access Control (RBAC), System Monitoring
Intermediate · Course · 1 - 3 Months

Campus BBVA
Skills you'll gain: Incident Response, Cyber Operations, Cybersecurity, Cyber Attacks, Security Management, Incident Management, Security Information and Event Management (SIEM), Data Security, Threat Management, Security Awareness, Fraud detection, Email Security, Endpoint Security, Threat Detection, Continuous Monitoring, Identity and Access Management
★ 4.7 (193) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Troubleshooting, Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support and Services, Technical Support, Peripheral Devices, System Support, Desktop Support, General Networking
★ 3.4 (140) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Serverless Computing, Amazon S3, Identity and Access Management, Disaster Recovery, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud Computing Architecture, Amazon Redshift, Cloud Hosting, Amazon DynamoDB, Cloud Services, Solution Architecture, Cloud Engineering, Containerization, Cloud Infrastructure, Cloud Storage, Cloud Computing, API Gateway
★ 4 (50) · Intermediate · Specialization · 1 - 3 Months