Enhancing data reliability

Data Management Concepts

Sharon Omwega

Data Scientist

Basics of master data management

• Master data is shared across an organization, such as customer data, product data, employee data, and supplier data
• Ensures the consistency, accuracy, and coherence of master data
• Activities include:
  • Data profiling
  • Data consolidation
  • Data validation

¹ Images in this lesson were created using Freepik

Navigating reference data

• Reference data is non-transactional and used to categorize other data
• Includes currency codes, country lists, or product categories
• Reference data management activities include:
  • Defining data
  • Categorizing data
  • Maintenance and updates

Governance of data about data

• Metadata describes various aspects of data, such as its origin, structure, relationships, and usage
• Activities and tools include schemas, data dictionaries and maintenance processes
• Improves data understanding and data discovery

Achieving information precision

• Quality data is free from errors, duplicates and inconsistencies
• Data quality management process:
  • Data profiling
  • Data cleansing
  • Data validation
  • Monitoring and governance

Let's practice!

Data Management Concepts