Data quality courses can help you learn data validation techniques, data cleansing methods, and the importance of accuracy in data management. You can build skills in identifying data anomalies, implementing quality control processes, and ensuring compliance with data standards. Many courses introduce tools like SQL for data manipulation, Python for automation, and data visualization software to analyze and present clean data effectively.

Skills you'll gain: Customer Success Management, Salesforce, Dashboard, Sales Operations, Service Management, Customer Relationship Management, Customer Relationship Management (CRM) Software, Sales Support, Data Visualization, Customer Support, Sales Management, Customer and Client Support, Customer Service, Inside Sales, Data Storytelling, Performance Reporting, Business Reporting, Data-Driven Decision-Making
★ 4.7 (279) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: C and C++, C++ (Programming Language), Hardware Architecture, Programming Principles, Computer Architecture, OS Process Management, Data Access, Program Development, Algorithms, Python Programming, Data Sharing, Development Environment
★ 2.8 (151) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, A/B Testing, Quantitative Research, Data-Driven Decision-Making, Customer Analysis, Statistical Methods, Market Research, Statistical Software, Statistical Analysis, Statistical Reporting, Business Analytics, Market Analysis, Probability & Statistics, Customer Insights, Statistical Inference, Analytics, Data Analysis, Descriptive Statistics, Data Analysis Software, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Operations Research, Analytics, Business Analytics, Process Optimization, Digital Transformation, Predictive Analytics, Data-Driven Decision-Making, Business Solutions, Model Optimization, Strategic Decision-Making, Data Science, Feature Engineering, Complex Problem Solving, Model Evaluation, Python Programming, Decision Making, Mathematical Software, Cloud Computing
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Feature Engineering, Exploratory Data Analysis, AI Enablement, Artificial Intelligence, AI literacy, Data Literacy, Responsible AI, Data Analysis, Descriptive Statistics, Technology Strategies, Business Strategy, Machine Learning, AI Integrations, Unstructured Data, Predictive Modeling
★ 3.2 (6) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Ethics, Google Gemini, Prompt Patterns, Responsible AI, AI literacy, LLM Application, Gemini, ChatGPT, Generative AI, Microsoft Copilot, Generative AI Agents, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Deepseek, Productivity, Automation, Business Operations
★ 4.8 (126) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (255) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Customer Analysis, Customer Retention, Customer Insights, Strategic Decision-Making, Product Strategy, Data Analysis, Knowledge Transfer, Data-Driven Decision-Making, Advanced Analytics, Unsupervised Learning, Applied Machine Learning, Technical Documentation, Performance Measurement, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Performance Tuning, Data Storage, SQL, Network Administration, Memory Management, User Accounts
★ 5 (20) · Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Incident Response, Cybersecurity, Threat Management, Data Security, Cyber Attacks, Incident Management, Security Controls, Network Security, Firewall, Security Software
★ 4.7 (460) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Theoretical Computer Science, Graph Theory, Computational Logic, Logical Reasoning, Computational Thinking, Network Model, Deductive Reasoning, Geospatial Information and Technology, Mathematics and Mathematical Modeling, Computer Science, Algebra, Applied Mathematics, Algorithms
★ 4.7 (282) · Beginner · Course · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Microsoft Excel, Excel Formulas, Verification And Validation, Financial Modeling, Business Modeling, Spreadsheet Software, Technical Documentation, Maintainability, Data Management, Business Reporting, Data Visualization
★ 4.5 (37) · Intermediate · Course · 1 - 4 Weeks