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.

Arizona State University
Skills you'll gain: Experimentation, Research Design, Statistical Modeling, Statistical Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Predictive Modeling, Statistical Programming, Statistical Analysis, Statistical Inference, Simulation and Simulation Software, Probability & Statistics, Data Science, Data Visualization, Simulations, Data Analysis, Data Analysis Software
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Threat Modeling, Human Factors (Security), Web Development, Web Servers
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Forecasting, Data Analysis Software, Pivot Tables And Charts, Data Presentation, Data Analysis, Data Sharing, Microsoft Office, Microsoft 365, Productivity Software, Automation, Data Mapping, Data Entry, Document Management, Data Security, Data Management, Data Validation, User Interface (UI)
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Star Schema, Data Warehousing, Looker (Software), Database Design, Data Mart, Data Modeling, Business Intelligence, Extract, Transform, Load, Data Integrity, Data Transformation, Performance Tuning, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI Personalization, Microsoft Copilot, Sales Process, Personalized Service, Customer Engagement, Customer experience improvement, Customer Relationship Management (CRM) Software, Customer Retention, Selling Techniques, Customer Relationship Management, Workflow Management, Sales Enablement, Sales Presentations, Data Security, Verbal Communication Skills, Sales Prospecting, Sales Strategy, Data Ethics, General Sales Practices
Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Open Web Application Security Project (OWASP), Security Engineering, Security Requirements Analysis, Security Controls, Data Security, Vulnerability Management, Computer Security, Vulnerability, Vulnerability Assessments, Databases, Information Privacy, Role-Based Access Control (RBAC), Computer Programming, Python Programming, Node.JS, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: R Programming, Maintainability, Package and Software Management, R (Software), Programming Principles, Statistical Programming, Computer Programming, Data Structures, Software Development, Data Science, Computer Programming Tools, Data Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Data Lakes, Data Transformation, Data Quality, Data Governance, Data Pipelines, Real Time Data, Data Warehousing, Data Management, Terraform, Data Validation, Apache Spark, Data Integrity, Data Storage, CI/CD, Cloud Computing, Scalability, Data Security
Beginner · Course · 1 - 3 Months
SAS
Skills you'll gain: Data Manipulation, SAS (Software), Data Access, Data Import/Export, Microsoft Excel, Data Analysis, Data Transformation, Requirements Analysis, Statistical Programming, Exploratory Data Analysis, Data Validation, Data Cleansing, Statistical Analysis, Data Processing, Data Preprocessing, Data Integration, SQL, Descriptive Statistics, Computer Programming, Data Presentation
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Price Negotiation, Contract Negotiation, Negotiation, Taking Meeting Minutes, Record Keeping, Procurement, Vendor Contracts, Communication, Market Intelligence
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Time Series Analysis and Forecasting, Statistical Inference, Statistical Methods, R Programming, Forecasting, Probability & Statistics, Statistical Modeling, Technical Communication, Data Presentation, Probability, Statistics, Statistical Software, Probability Distribution, Statistical Analysis, Data Analysis, Markov Model, Model Evaluation, R (Software), Data Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Data Loss Prevention, Security Controls, Regulatory Compliance, Compliance Management, Compliance Training, Data Integrity, Security Strategy, Regulatory Requirements, Employee Training
Beginner · Course · 1 - 4 Weeks