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Practical Data Quality

You're reading from  Practical Data Quality

Product type Book
Published in Sep 2023
Publisher Packt
ISBN-13 9781804610787
Pages 318 pages
Edition 1st Edition
Languages
Author (1):
Robert Hawker Robert Hawker
Profile icon Robert Hawker

Table of Contents (16) Chapters

Preface 1. Part 1 – Getting Started
2. Chapter 1: The Impact of Data Quality on Organizations 3. Chapter 2: The Principles of Data Quality 4. Chapter 3: The Business Case for Data Quality 5. Chapter 4: Getting Started with a Data Quality Initiative 6. Part 2 – Understanding and Monitoring the Data That Matters
7. Chapter 5: Data Discovery 8. Chapter 6: Data Quality Rules 9. Chapter 7: Monitoring Data Against Rules 10. Part 3 – Improving Data Quality for the Long Term
11. Chapter 8: Data Quality Remediation 12. Chapter 9: Embedding Data Quality in Organizations 13. Chapter 10: Best Practices and Common Mistakes 14. Index 15. Other Books You May Enjoy

Prioritizing remediation activities

When you first run your data quality Rule Results Report (or your equivalent), it may be a little overwhelming. There will be failed records for every rule and sometimes the failed records may add up to many thousands. It is not uncommon in larger businesses for 250,000 or more records to fail a rule. For example, if a fast-moving consumer goods organization has a reward card scheme, it can easily have millions of customers. One of the largest of these schemes in the UK has 18 million customers. It would only take a single missing validation on an online enrollment form to generate large quantities of failed data as customers make mistakes when entering data. One organization we worked with required the date of birth of the customer, but did not validate what was entered. Around 1% of customers entered the correct day and month of birth but accidentally entered the current year instead of their birth year. The form was missing a simple validation...

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