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: Kubernetes, Network Troubleshooting, Authentications, Debugging, Event Monitoring, System Monitoring, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, Data Maintenance, SQL, Linux Administration, System Monitoring, Operating System Administration, Linux, Database Management, Linux Commands, File I/O, Data Migration, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Memory Management
Advanced · Course · 1 - 3 Months

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Network Performance Management, Network Administration, Linux Administration, Linux Servers, Interoperability, General Networking, Network Infrastructure, System Configuration, Network Protocols, Software Installation
Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Data Preprocessing, Data Processing, Natural Language Processing, Classification Algorithms, Analytics, Java, Unsupervised Learning, Feature Engineering, Machine Learning Methods, Supervised Learning
★ 3.9 (40) · Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Database Development, Database Systems, Relational Databases, Databases, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Cyber Threat Intelligence, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, Cryptographic Protocols, FinTech, Payment Systems, Security Testing, Auditing, Transaction Processing, Data Integrity
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Earned Value Management, Project Schedules, Excel Formulas, Procurement, Scheduling, Capital Budgeting, Financial Analysis, Project Performance, Spreadsheet Software, Cost Management, Cost Benefit Analysis, Microsoft Excel, Microsoft Office, Investment Management, Project Management Institute (PMI) Methodology, Feasibility Studies, Return On Investment, Variance Analysis, Forecasting
★ 4.7 (54) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Generative AI, AI literacy, Artificial Intelligence, AI Enablement, Data Ethics, Responsible AI, Microsoft Copilot, Natural Language Processing
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Team Management, Team Building, Expectation Management, Project Management Institute (PMI) Methodology, Stakeholder Communications, Stakeholder Analysis, Resource Management, People Development, Relationship Management
★ 4.6 (68) · Beginner · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Data Analysis, Data Preprocessing, Data Visualization, Statistical Analysis, Exploratory Data Analysis, Statistical Visualization, Statistical Methods, Analytical Skills, Data Processing, Data Wrangling, Data Transformation, Descriptive Statistics, Data Cleansing, Histogram, Data Manipulation, Scatter Plots, Applied Machine Learning
★ 4.8 (21) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, Tool Calling, LLM Application, JSON, Large Language Modeling, Artificial Intelligence
★ 4.6 (16) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Distributed Computing, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks