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.

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Analysis, Applied Mathematics, Mathematical Modeling, Graphing, Trigonometry, R (Software), R Programming, General Mathematics, Data Modeling, Algebra, Systems Of Measurement, Mathematical Software, Correlation Analysis, Regression Analysis, Calculus, Business Mathematics, Geometry
★ 4.7 (330) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Wrangling, Data Transformation, Data Manipulation, Data Processing, Pivot Tables And Charts, Data Analysis Software, Data Preprocessing, Data Cleansing, Data Analysis, Numerical Analysis, Statistical Analysis, Data Structures, Descriptive Statistics
★ 5 (15) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Histogram, Plot (Graphics), Data Visualization, Seaborn, Scatter Plots, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Statistical Visualization, Graphing, Exploratory Data Analysis, Python Programming
★ 4.6 (78) · Beginner · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Security, Dashboard Creation, Dashboard, Database Management, Data Presentation, Tableau Software, Data Cleansing, Data Integration, SQL, Microsoft Excel, Data Governance, Data Manipulation
★ 5 (9) · Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Business Intelligence, Looker (Software), Data Visualization, Data Presentation, Interactive Data Visualization, Business Reporting, Data Visualization Software, Dashboard, Data Storytelling, Power BI, Dashboard Creation, Business Analytics, Data Analysis, Business Marketing, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI Agents, LangGraph, Generative AI, LangChain, Agentic Workflows, Multimodal Prompts, LLM Application, UI Components, AI Security, Vector Databases, Large Language Modeling, Application Security, User Interface (UI) Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, Python Programming
Intermediate · Course · 3 - 6 Months

Arizona State University
Skills you'll gain: Data Transformation, Data Literacy, Engineering Management, Data-Driven Decision-Making, Computational Thinking, Exploratory Data Analysis, Capacity Planning, Capacity Management, Decision Making, Data Warehousing, Decision Intelligence, Data Strategy, Data Lakes, Complex Problem Solving, Design Thinking, Unstructured Data, Data Governance, Data Access, Process Improvement, Data Management
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization Software, Statistical Visualization, Heat Maps, R Programming, Graphing, Data Wrangling, Graphics Software, Graphic and Visual Design
★ 4.9 (133) · Intermediate · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Data Governance, Digital Transformation, Data Modeling, Data Management, Data Strategy, General Data Protection Regulation (GDPR), Data Literacy, Business Intelligence, Data Quality, Law, Regulation, and Compliance, Data-Driven Decision-Making, Information Privacy, Data Analysis, Data Visualization, Big Data, Artificial Intelligence, Business Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization, Data Quality, Business Analytics, Stakeholder Communications, Business Analysis, Advanced Analytics, Data Management, Feature Engineering, Analytics, Stakeholder Management, Predictive Analytics, Data Science, Problem Solving, Data Validation, Data Engineering, Business, Communication
Mixed · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Pipelines, Google Cloud Platform, Cloud Security, Data Processing, Data Security, Cloud Storage, Containerization
★ 4.1 (94) · Intermediate · Course · 1 - 3 Months