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.

28DIGITAL
Skills you'll gain: Closing (Sales), Cold Calling, Customer Analysis, Selling Techniques, Sales Process, Target Market, Marketing, Market Analysis, General Sales Practices, Marketing Strategy and Techniques, Marketing Strategies, Competitive Analysis, Marketing Planning, Business Marketing, Strategic Marketing, Outbound Calls, Market Opportunities, Sales, Entrepreneurship, Digital Marketing
★ 4.4 (159) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Computer Security Awareness Training, Threat Management, Cyber Risk, User Accounts
★ 4.6 (778) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (125) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, System Monitoring, Linux Commands, Operating System Administration, File Systems, User Accounts, Command-Line Interface, User Provisioning, Systems Administration, Data Storage, System Configuration, File Management, Data Storage Technologies, Network Administration, Software Installation, Network Troubleshooting, Open Source Technology
★ 4.5 (177) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Network Model, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (52) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Digital Advertising, Contextual Advertising, Paid media, Advertising, Advertising Campaigns, Media Buying, Media Planning, Digital Media Strategy, Earned Media, Target Audience, Content Strategy, Data-Driven Marketing, Data Ethics, Business Ethics
★ 4.6 (71) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Token Optimization, ChatGPT, No-Code Development, OpenAI, LLM Application, Generative AI, Microsoft Power Platform, Application Programming Interface (API), Email Automation, Application Development, Microsoft Power Automate/Flow, Serverless Computing, Microsoft Azure, Microsoft Outlook, Email Marketing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Processing, Data Wrangling, Advanced Analytics, Supply Chain Management, Data Transformation, Business Analytics, Statistical Visualization
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Wealth Management, Estate Planning, Portfolio Management, Real Estate, Investments, Financial Industry Regulatory Authorities, Commercial Real Estate, Regulatory Compliance, Asset Management, Tax Planning, Finance, Risk Management, Return On Investment, Financial Analysis, Business Strategies, Strategic Planning, Business, Data Management, Financial Statements, Failure Analysis
★ 4.1 (17) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL Server Reporting Services, Microsoft SQL Servers, Business Reporting, Business Intelligence, Business Intelligence Software, Report Writing, Interactive Data Visualization, Code Reusability, Data Visualization, Microsoft Development Tools
Mixed · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: R Programming, Plot (Graphics), Ggplot2, Statistical Analysis, R (Software), Predictive Modeling, Data Manipulation, Data Preprocessing, Statistical Programming, Statistical Machine Learning, Data Visualization Software, Data Science, Data Import/Export, Predictive Analytics, Advanced Analytics, Machine Learning Methods, Model Training, Applied Machine Learning, Machine Learning, Model Evaluation
Intermediate · Course · 1 - 4 Weeks