Question

pls Ans the attached Q..


IT class 10​

Answer 1

Answer:

QUESTION

WHAT IS A PRIMARY KEY

ANSWER

In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record", and in simple cases are simply a single attribute: a unique id.

hopefully it will help you

Answer 2

Explanation:

In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record," and in simple cases constitute a single attribute: a unique ID

Hlooooooo siso

It's been soooooooooo long

I literally missed taking to you so much

I was bit stressed recently I don't know why

BTW, how are you doing?

What about yours studies ?

Could you please tell me the time you come online so that I can talk to you for a while.

Hope you are safe and healthy

Will talk to you frequently now onwards .

Good night sweet dreams

Miss youuuuu my dear bestie ^ω^