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.

ESSEC Business School
Skills you'll gain: Hospitality Management, Hospitality, Marketing Channel, Business Modeling, Revenue Management, Direct Marketing, Booking (Sales), E-Commerce, Online Advertising, Web Analytics, Marketing Strategies, Web Design and Development
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Mitigation, Risk Modeling, Analysis, Personally Identifiable Information, Accountability, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Process Mapping, Process Analysis, Business Analysis, Data Presentation, Business Process Improvement, Interactive Data Visualization, Feasibility Studies, Data Visualization, Systems Analysis, Stakeholder Analysis, Process Optimization, Requirements Management, Systems Design, Communication Planning, Test Planning, Information Technology, Business Process Modeling, Database Management, Agile Methodology
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Mitigation, Cyber Threat Hunting, Digital Forensics, Cybersecurity, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Incident Management, Criminal Investigation and Forensics, Information Systems Security, Continuous Monitoring, Cyber Attacks, Computer Security, Network Security, Analysis, Network Analysis, Linux Commands, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Network Security, Threat Detection, Cyber Attacks, Authentications, Security Awareness, Digital Forensics, Security Controls, Infrastructure Security, Multi-Factor Authentication, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Store, Extract, Transform, Load, Data Architecture, Data Pipelines, Big Data, Data Warehousing, Data Governance, Apache Hadoop, Relational Databases, Apache Spark, Data Lakes, Databases, SQL, NoSQL, Data Security, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Rmarkdown, Data Literacy, Data Visualization, Data Presentation, Data Ethics, Data Cleansing, Data Validation, Ggplot2, R (Software), Tableau Software, Sampling (Statistics), Presentations, Spreadsheet Software, Data Analysis, LinkedIn, Object Oriented Programming (OOP), Data Structures, Interviewing Skills, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft PowerPoint, Microsoft Word, Microsoft Excel, Microsoft Office, Spreadsheet Software, digital literacy, Data Entry, Computer Literacy, Information Technology, Document Management, Graphical Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Database Administration, SQL, Extract, Transform, Load, Apache Airflow, Relational Databases, Linux Commands, Database Design, IBM Cognos Analytics, Database Management, MySQL, Data Pipelines, Apache Kafka, Bash (Scripting Language), Database Architecture and Administration, Shell Script, Data Store, IBM DB2, Data Visualization, Dashboard
Beginner · Professional Certificate · 3 - 6 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Data Lakes, Amazon DynamoDB, Amazon Web Services, Serverless Computing, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Amazon Elastic Compute Cloud, Event-Driven Programming, Cloud Security, Solution Architecture, Data Visualization, Cloud Storage, Data Architecture, Cloud Computing Architecture, API Gateway, Software Architecture
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: NoSQL, Data Warehousing, Database Administration, SQL, Apache Hadoop, Extract, Transform, Load, Apache Airflow, Relational Databases, Data Security, Linux Commands, Data Migration, Database Design, Data Governance, Database Management, MySQL, Apache Spark, Data Pipelines, Apache Kafka, Data Architecture, Data Store
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Threat Detection, Cyber Security Strategy, Cyber Threat Intelligence, Cybersecurity, Interactive Data Visualization, Geospatial Information and Technology, Web Scraping, Digital Forensics, IT Automation, Data Security, Security Awareness, Personally Identifiable Information, Network Security, Scripting, Network Analysis, Open Source Technology, Data Analysis Software, Information Privacy
Intermediate · Course · 1 - 3 Months