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: Databricks, Data Lakes, Data Transformation, Data Quality, Data Infrastructure, Data Governance, Data Pipelines, Real Time Data, Data Architecture, Data Management, Terraform, Data Maintenance, Data Validation, Apache Spark, Data Access, Data Integrity, Data Storage, Cloud Computing, Scalability, Data Security
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Tableau Software, Data Visualization, Data Presentation, Data Visualization Software, Dashboard, Dashboard Creation, Statistical Visualization, Pivot Tables And Charts, Trend Analysis, Spatial Data Analysis
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Power BI, Databricks, Microsoft Azure, Cloud Services, Data Warehousing, Data Architecture, Apache Spark, Database Systems, Cloud Storage, Database Theory, Databases, Data Store, Dashboard Creation, Analytics, Big Data, Extract, Transform, Load, Data Visualization Software, Data Integration, Data Visualization
★ 4.5 (133) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Data Management, Data Governance, Cloud Computing, Google Cloud Platform, Cloud Services, Cloud Computing Architecture, Cloud Platforms, Cloud Technologies, Big Data, Analytics, Public Cloud, Cloud Storage, Data Analysis, Data Warehousing, Data Storage, Data Processing, Digital Transformation, Data Collection, Data Structures
★ 4.6 (168) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Visualization Software, Data Analysis, Dashboard, Dashboard Creation
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Continuous Integration, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, DevOps, Data Transformation, Data Integration, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Dashboard, Cloud Deployment, Dashboard Creation, Data Integration, Data Visualization, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Cloud Storage, Extract, Transform, Load, Data Processing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS)
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Governance Risk Management and Compliance, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Cyber Attacks, Data Loss Prevention, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Cyber Risk, Encryption, Risk Management Framework
★ 4.7 (70) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Data Processing, Database Administration, Database Theory, Databases, Data Store, Database Management Systems, Cloud Services, Data Storage, Azure Synapse Analytics, Database Management, Relational Databases, Query Languages, NoSQL, Transaction Processing, Data Management, Cloud Computing, Data Analysis, Unstructured Data, Data Visualization Software
★ 4.7 (484) · Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, R Programming, R (Software), Machine Learning Methods, Statistical Machine Learning, Artificial Neural Networks, Applied Machine Learning, Transfer Learning, Machine Learning, Machine Learning Algorithms, Exploratory Data Analysis, Tidyverse (R Package), Deep Learning, Ggplot2, Regression Analysis, Dimensionality Reduction, Data Analysis, Data Wrangling, Data Manipulation
★ 4.9 (10) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Star Schema, Role-Based Access Control (RBAC), Power BI, Database Design, Data Modeling, Data Analysis Expressions (DAX), Authorization (Computing), Financial Data, Relational Databases, Data Security, Security Controls, Dashboard, Data Access, Dashboard Creation, Model Deployment, Gross Profit, Cloud Deployment, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Data Visualization, Interactive Data Visualization, Tableau Software, Dashboard, Data Storytelling, Spatial Data Analysis, Data Visualization Software, Peer Review, Dashboard Creation, Data Presentation, Data Integration, Geospatial Mapping, Spatial Analysis, Data Wrangling, Business Intelligence Software, Business Intelligence, Plot (Graphics), Data Manipulation, Data Preprocessing, Data Analysis
★ 4.6 (11) · Beginner · Specialization · 3 - 6 Months