3 Questions
What can be used to check the data?
Data exploration
What is a common concern about data?
Quality
What is a benefit of data sourced from a well-maintained data warehouse?
Increased accuracy
Study Notes
- The quality of data is an ongoing concern, and data quality can be impacted by errors in data.
- Organizations use data cleansing and transformation techniques to improve and manage the quality of the data.
- Data sourced from well-maintained data warehouses has higher quality, as there are proper controls in place to ensure a level of data accuracy.
- Data exploration techniques, such as using data exploration techniques in addition to prior knowledge of the data and business, are used to check the data.
Test your knowledge about data quality management techniques including data cleansing, transformation, and exploration methods.
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