Data Management
“The beginning of wisdom is the definition of terms.”
Sidebar
data_concept:primary_key
This is an old revision of the document!
Primary key
Definition
A primary key is a data element that uniquely identifies a data record.
Relation
Primary key is subtype of data element.
Note
A primary key can also consists of two or more data elements.
data_concept/primary_key.1686426181.txt.gz · Last modified: 2024/03/08 13:33 (external edit)