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: Prompt Patterns, Prompt Engineering Tools, Salesforce, AI Integrations, AI Orchestration, Agentic Workflows, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, Data Security, digital literacy, Telecommuting, Data Analysis, Data-Driven Decision-Making, Excel Formulas, Programming Principles, Spreadsheet Software, Web Language, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Scripting Languages, Web Development, Javascript, Python Programming
★ 4.6 (33) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Predictive Modeling, Exploratory Data Analysis, Model Evaluation, Model Training, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning Methods, Statistical Methods, Applied Machine Learning, Machine Learning, Data Preprocessing, Decision Tree Learning, Deep Learning, Data Analysis, Test Data, Artificial Neural Networks, Data Import/Export, Python Programming
★ 4.8 (69) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Forecasting, Trend Analysis, Statistical Visualization, Spreadsheet Software, Regression Analysis, Time Series Analysis and Forecasting, Statistical Methods, Statistical Analysis, Plot (Graphics), Predictive Modeling, Data-Driven Decision-Making, Data Analysis
★ 4.5 (114) · Intermediate · Guided Project · Less Than 2 Hours

London Business School
Skills you'll gain: Digital Transformation, Business Transformation, Culture Transformation, Organizational Change, Technology Strategies, Change Management, Innovation, Business Strategy, Business Strategies, Enterprise Architecture, New Business Development, Business Technologies, Emerging Technologies, digital literacy, Business Modeling, Operational Efficiency
★ 4.8 (67) · Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Electronic Components, Materials science, Engineering Analysis, Applied Mathematics, Scientific Visualization, Engineering Calculations, Differential Equations, Physics, Energy and Utilities, Mathematical Modeling
★ 4.7 (174) · Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Hardening, Cryptographic Protocols, Cybersecurity, Encryption, Security Controls, Proxy Servers, Information Privacy, Servers, Communication Systems, Web Servers, Network Routing, Network Analysis, Cloud Hosting, Cloud Deployment
★ 4.1 (36) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Snowflake Schema, Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Architecture and Administration, Database Management, Data Modeling, Data Transformation, Data Import/Export, Cloud Computing Architecture, Data Integration, Cloud-Based Integration, Role-Based Access Control (RBAC), Data Governance, Data Security
★ 3 (30) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Database Administration, Database Systems, Database Management Systems, Database Architecture and Administration, Relational Databases, Database Management, Distributed Computing, Data Integrity, Data Storage
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Kubernetes, Google Cloud Platform, Application Performance Management, Event Monitoring, Cloud Applications, Query Languages, Analytics, Performance Tuning
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Lightweight Directory Access Protocols, Git (Version Control System), Authentications, Collaborative Software, Linux Administration, Linux, Version Control, Open Source Technology, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Terraform, Identity and Access Management, Infrastructure as Code (IaC), Verification And Validation, Data Validation, Amazon Web Services, Code Reusability, Development Testing, Amazon Elastic Compute Cloud, Data Structures, Data Security, Command-Line Interface
Beginner · Course · 1 - 3 Months