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DATA QUALITY
MANAGEMENT
Presented by,
Chandana Maya S
2147014
AGENDA
 Data quality management.
 Why do you need data quality management?
 Major causes of poor data quality.
 Essential factors for clean data.
 How to maintain clean data?
 Best data quality tools.
Data Quality Management
 Data quality management consists of the processes and practices of constantly
maintaining a high quality of information.
 Data quality management includes the process of identifying poor-quality
data, cleaning it, and making it usable with your business intelligence
platforms.
Why do you need data quality management?
 Data enters an organization in various ways, so not all the data is accurate and
perfect. It may be outdated, duplicated, or inconsistent.
If it is not accurate and consistent, you cannot use it to make important
decisions.
Making business decisions based on incorrect and unreliable data could cost
you a fortune.
 Data quality management helps you find the poor-quality
data and detect how it is coming into your database.
 Then you can clean that data and prevent more from entering
your database.
Major causes of poor data quality
Manual entry
Acquisition and mergers
Real-time updates
Indiscriminate data collection
System upgrades
Essential factors for clean data
Completeness
Accuracy
Consistency
Timeliness
Integrity

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DATA QUALITY MANAGEMENT

  • 2. AGENDA  Data quality management.  Why do you need data quality management?  Major causes of poor data quality.  Essential factors for clean data.  How to maintain clean data?  Best data quality tools.
  • 3. Data Quality Management  Data quality management consists of the processes and practices of constantly maintaining a high quality of information.  Data quality management includes the process of identifying poor-quality data, cleaning it, and making it usable with your business intelligence platforms.
  • 4. Why do you need data quality management?  Data enters an organization in various ways, so not all the data is accurate and perfect. It may be outdated, duplicated, or inconsistent. If it is not accurate and consistent, you cannot use it to make important decisions. Making business decisions based on incorrect and unreliable data could cost you a fortune.  Data quality management helps you find the poor-quality data and detect how it is coming into your database.  Then you can clean that data and prevent more from entering your database.
  • 5. Major causes of poor data quality Manual entry Acquisition and mergers Real-time updates Indiscriminate data collection System upgrades
  • 6. Essential factors for clean data Completeness