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 one or more data element that uniquely identifies a data record.
Relation
| Primary key | is subtype of | data element |
| Primary key | identifies | data record |
| Primary key | can be used by | foreign key |
data_concept/primary_key.1687790174.txt.gz · Last modified: 2024/03/08 13:33 (external edit)