Data Management
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data_concept:primary_key
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Primary key
Definition
A primary key is a data element that uniquely identifies a data record.
Relation
| Primary key | is subtype of | data element |
| Primary key | identifies | data record |
Note
A primary key can also consists of two or more data elements.
data_concept/primary_key.1687790043.txt.gz · Last modified: 2024/03/08 13:33 (external edit)