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.

Skills you'll gain: Model Deployment, Data Preprocessing, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Event-Driven Programming, HTML and CSS, Application Deployment, Web Development, Full-Stack Web Development, Scripting, Programming Principles, GitHub, Application Development, Object Oriented Programming (OOP), User Interface (UI) Design, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Applications, Cloud Storage, Google Cloud Platform, Microservices, Application Development, Application Design, Data Store, Cloud Services, Data Storage, Transaction Processing, Node.JS, Scalability
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Awareness, Threat Detection, Test Tools, Firewall, OSI Models, Single Sign-On (SSO), Computer Networking, Data Encryption Standard, Cloud Computing, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Customer Relationship Management, Data Security, Security Controls, No-Code Development, Automation, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Mechanics, Torque (Physics), Automation Engineering, Mathematical Modeling, Engineering Analysis, Engineering Calculations, Structural Analysis, Mechanical Design, Numerical Analysis, Applied Mathematics, Trigonometry, Control Systems, Linear Algebra, Visualization (Computer Graphics), Spatial Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Android Development, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), Java Programming
Mixed · Course · 1 - 4 Weeks

Oracle AI Database
Skills you'll gain: SQL, Oracle Databases, Database Management, Oracle Cloud, Relational Databases, Databases, Query Languages, User Accounts, Data Management, User Provisioning, Data Integrity
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Generative AI Agents, Agentic systems, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Video Game Development, Animation and Game Design, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Cassandra, Google Cloud Platform, Database Administration, Operational Databases, Query Languages, Database Design, Database Management, Cloud Deployment
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Amazon Web Services, MySQL, Database Architecture and Administration, Relational Databases, Database Management, PostgreSQL, Data Integrity, Data Storage, Cloud Infrastructure, Virtual Networking, Disaster Recovery
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Web Development Tools
Intermediate · Course · 1 - 4 Weeks