CBSE BOARD X, asked by gargi2004, 10 months ago

feature of primary key

Answers

Answered by piyushsonone

Answer:

primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. A primary key's main features are: It must contain a unique value for each row of data. It cannot contain null valies

Answered by dibyendu16

$<b> <body \: bgcolor = "skyblue">$

$\huge\pink{\mid{\underline{\overline{ \tt Answer:-}}\mid}}$

A primary key is a special relational database table column (or combination of columns) designated to uniquely identify all table records. ... A primary key's main features are: It must contain a unique value for each row of data. It cannot contain null values.

$<marquee direction="left" style="background:yellow"">Hope you understand please mark me as brainliest..</marquee>$

$\huge\mathfrak\green{Thank\:You...}$

$<marquee style="height:20;width:200" scrollamount="900" scrolldelay="25"><mark>Follow Me❤<mark></marquee>$

Previous Question

Next Question

feature of primary key​

Answers

feature of primary key