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.

The State University of New York
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, R Programming, Statistical Analysis, Data Analysis, Data Visualization, Mathematical Modeling, Statistical Modeling, Predictive Modeling, Correlation Analysis, Probability & Statistics, Descriptive Statistics, Statistical Inference, Software Installation
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Vulnerability Assessments, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Network Security, Threat Modeling, Security Strategy, Security Controls, Cloud Security, Authentications, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Natural Language Processing, Generative Model Architectures, Large Language Modeling, LLM Application
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Extensible Markup Language (XML), Databases, JSON, Data Processing, Data Warehousing, Distributed Computing, Data Analysis, Scalability, Case Studies, Analytics, Data Pipelines, Extract, Transform, Load, Query Languages, Social Media, Data Cleansing, Data Integration
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Data Infrastructure, Authorization (Computing), Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, Data Security, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, MySQL, Database Management, Relational Databases, Databases, Database Systems, Database Design, Database Development, Query Languages, Oracle SQL Developer, Secure Coding, Data Access, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, DevSecOps, Continuous Delivery, GitLab, Continuous Integration, DevOps, Data Validation, Data Quality, Test Automation, Workflow Management, Extract, Transform, Load, Test Case, Enterprise Architecture, Governance, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Business Continuity, Threat Modeling, Threat Detection, Cyber Attacks, Security Awareness, Risk Analysis, Compliance Management, Regulatory Requirements, Business Analysis, Investigation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Pivot Tables And Charts, Big Data, Data Analysis, Excel Formulas, Data Import/Export, Data Visualization, Real Time Data, Network Analysis, SQL
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, Scalability, Docker (Software), Application Deployment, Kubernetes, Prompt Patterns, Generative AI Agents, LangChain, Microsoft Copilot, Microservices, Microsoft Azure, Microsoft Power Automate/Flow, System Testing, Artificial Intelligence, Distributed Computing, Serverless Computing, Natural Language Processing, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Computer Networking, General Networking, Wireless Networks, Network Routing, Network Troubleshooting, Network Administration, Network Switches, Local Area Networks
Intermediate · Course · 1 - 4 Weeks