Primary key
id:
primary-key-185-14643318
title:
Primary key
text:
In the relational model of databases, a primary key is a designated attribute (column) that can reliably identify and distinguish between each individual record in a table. The database creator can choose an existing unique attribute or combination of attributes from the table to act as its primary key, or create a new attribute containing a unique ID that exists solely for this purpose. Examples of natural keys that could be suitable primary keys include data that is already by definition uniqu
brand slug:
wiki
category slug:
encyclopedia
description:
Relational databases concept
original url:
https://en.wikipedia.org/wiki/Primary_key
date created:
2003-07-03T19:13:13Z
date modified:
2024-09-07T18:43:17Z
main entity:
{"identifier":"Q934729","url":"https://www.wikidata.org/entity/Q934729"}
image:
fields total:
13
integrity:
15