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.

University of Glasgow
Skills you'll gain: Business Writing, Business Correspondence, Writing, Report Writing, Business Communication, Writing and Editing, Storytelling, Organizational Structure, Vocabulary, Grammar, Concision, Target Audience, Press Releases
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Import/Export, Event Monitoring
Beginner · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Model Optimization, Performance Tuning, Business Intelligence, Data Analysis
★ 4 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Amazon CloudWatch, AWS CloudFormation, Infrastructure as Code (IaC), CI/CD, Amazon Web Services, Cloud Engineering, Devops Tools, AWS Identity and Access Management (IAM), Software Development Tools, Data Security, Cloud Security, Network Security, Cloud Management, Data Loss Prevention, System Monitoring, Model Deployment, AI Integrations, Multi-Factor Authentication, Key Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Performance Tuning, Scalability, Google Cloud Platform, Data Architecture, Network Architecture, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Conversion Funnel Analysis, Digital Analysis, Data Collection, Data-Driven Marketing, Data Quality, grep, Business Reporting, Data Validation, Data Capture, Campaign Planning, Event Monitoring, Marketing Channel
Intermediate · Course · 3 - 6 Months

Universidad Nacional de Colombia
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Electrical Systems, Time Series Analysis and Forecasting, Data-Driven Decision-Making, Data Mining, Data Science, Statistical Methods, Python Programming, Data Processing, Applied Machine Learning, Computer Programming, Data Preprocessing, Data Visualization Software, Advanced Analytics, Classification And Regression Tree (CART), Model Evaluation, Artificial Neural Networks
★ 4.9 (34) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Authentications, User Provisioning, OAuth, User Accounts, Security Controls, Role-Based Access Control (RBAC), Authorization (Computing), Single Sign-On (SSO), Cryptographic Protocols, Enterprise Security, Computer Security
★ 4.7 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Database Management, Database Architecture and Administration, Relational Databases, Database Software, Data Storage Technologies, Performance Tuning, Servers, Database Management Systems, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), System Configuration, Authentications
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Predictive Modeling, Data Visualization, Predictive Analytics, Statistical Analysis, Data Manipulation, Data Analysis, Data Science, Statistical Methods, Data Visualization Software, Statistics, Data Wrangling, Data Cleansing, Analytics, Data Preprocessing, Data-Driven Decision-Making, Business Analytics, Model Evaluation, Data Collection, Machine Learning
★ 4.7 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Data Validation, Scatter Plots, Plot (Graphics), Pivot Tables And Charts, Microsoft Excel, Data Visualization, Regression Analysis, Excel Formulas, Statistical Visualization, Histogram, Data Analysis, Data Integrity, Statistical Modeling, Descriptive Statistics, Spreadsheet Software, Analytics, Financial Data, Financial Analysis, Automation
★ 4.9 (31) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Wrangling, Dashboard Creation, Data Manipulation, Google Cloud Platform, Data Import/Export, Data Transformation, Data Cleansing, Dataflow, Data Analysis, Sampling (Statistics), Course Development
Beginner · Project · Less Than 2 Hours