Question

What are the properties of primary key?

Answer 1

hy user



Here's ur answer ▶️▶️▶️



☆Properties of Primary key☆


●It does not allow null values.
●It has an unique index.
●It allows numbers and text both.



Hope it helps ☺

Answer 2

✴Properties of primary key are:-

[1] It should not be altered frequently.
[2] It is meaningful to the user.
[3] It cannot contain null values.
[4] It contain a unique value for each row of data.