Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Coursera
Skills you'll gain: Data Ethics, Responsible AI, Ethical Standards And Conduct, Technical Communication, Artificial Intelligence, Stakeholder Communications, Model Evaluation, Data Preprocessing, Stakeholder Engagement, People Analytics, Sampling (Statistics), Statistical Analysis, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Order Management, Order Entry, Sales Process, Order Processing, Accounting Software, Customer Relationship Management, Inventory Control, Small Business Accounting, Inventory Management System, Customer Relationship Management (CRM) Software, Financial Reporting, Accounts Receivable, Invoicing, Cloud Security, Sales, Amazon Web Services, Management Reporting, Business Reporting, Accounting, Finance
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Sales Presentation, Regional Sales, Selling Techniques, Presentations, Sales Process, Influencing, Persuasive Communication, Intercultural Competence, Storytelling, Behavioral Economics, Language Interpretation, Translation, and Studies, Sales Pipelines, Collaborative Software, Collaboration, Customer Relationship Management (CRM) Software, Stakeholder Management, Strategic Communication, Cross-Functional Collaboration, Customer Engagement, AI literacy
Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Pay Per Click Advertising, Online Advertising, Search Engine Optimization, Digital Marketing Campaigns, Marketing, Digital Marketing, Digital Advertising, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, Advertising, Media Buying, Target Audience, Bidding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales, Sales Strategy, Consultative Selling, Selling Techniques, Account Strategy, Customer Relationship Building, Business Communication, Consultative Approaches, Relationship Building, Sales Pipelines, General Sales Practices, Overcoming Objections, Solution Selling, Relationship Management, Sales Process, Communication Strategies, Proposal Writing, Digital Transformation, AI Personalization, Personalized Campaigns
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Analytical Skills, Programming Principles, Computer Science, Data Analysis, Computer Programming, Algorithms, Verification And Validation, Software Development, Machine Learning
Build toward a degree
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Multimodal Prompts, Gemini, Prompt Engineering, Google Gemini, Prompt Patterns, LLM Application, Tool Calling, Large Language Modeling, Token Optimization, Application Programming Interface (API), Image Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Expense Management, Google Sheets, Data Visualization, Spreadsheet Software, Budgeting, Budget Management, Financial Forecasting, Microsoft Excel
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, System Design and Implementation, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cross-Functional Team Leadership, Executive Presence, Matrix Management, Team Performance Management, Cross-Functional Collaboration, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Crisis Management, Team Building, Project Management, Leadership, Employee Coaching, Influencing, Leadership Development, Team Management, Stakeholder Management, Organizational Development, Strategic Communication, Change Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Text Mining, Data Processing, Microsoft Azure, Cloud Storage, Database Development, Data Storage, Data Storage Technologies, Unstructured Data, Application Development
Beginner · Guided Project · Less Than 2 Hours