Data Management
“The beginning of wisdom is the definition of terms.”
“The beginning of wisdom is the definition of terms.”
This is an old revision of the document!
Missing values is a term used to indicate that data values are not complete.
Completeness | is a characteristic of | data values |
Completeness | is a characteristic of | data elements |
Completeness | is a characteristic of | data records |
Completeness | is a characteristic of | data files |
Completeness | is a characteristic of | metadata |
Name | |
---|---|
Johnson |
E-mail is missing value for Johnson.
Surname | City |
---|---|
Williams | Paris |
First name is missing as data element.
Surname | City |
---|---|
Hank Williams | Paris |
Steve Kerr is missing in this file.
A reference file for all cities in UK is missing.
Data element | Data type | Definition |
---|---|---|
Name | Character |
Definition of data element 'Name' is missing.
DAMA NL (2020). Dimensions of Data Quality (DDQ). Research paper. https://www.dama-nl.org/wp-content/uploads/2020/09/DDQ-Dimensions-of-Data-Quality-Research-Paper-version-1.2-d.d.-3-Sept-2020.pdf