+ 1

What can be an example of a primary key in database?

19th Sep 2020, 12:53 PM
ND BARMAN
ND BARMAN - avatar
2 odpowiedzi
+ 5
creditcard number
19th Sep 2020, 1:48 PM
Oma Falk
Oma Falk - avatar
+ 3
The primary key in a table is a unique identifier of each record. For example if you have a table of employees, the social security number might be a good primary key.
19th Sep 2020, 12:57 PM
Tibor Santa
Tibor Santa - avatar