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Assume,there are three tables in a database, Can i have
both primary key and foreign key for each table in the same
database?

Question Posted / kathiravan_g

Answers were Sorted based on User's Feedback



Assume,there are three tables in a database, Can i have both primary key and foreign key for each ..

Answer / madhu

We can create 3 tables with PK and FK but can not insert
rows. Try it.

Is This Answer Correct ?    5 Yes 0 No

Assume,there are three tables in a database, Can i have both primary key and foreign key for each ..

Answer / siva

Hi,

You can place the foreign key column in each table to allow
nulls. And insert values.

But I am still worried a lot about deletion of the values
from these tables ?

Plz post your comments

Regards,
Subbu

Is This Answer Correct ?    0 Yes 0 No

Assume,there are three tables in a database, Can i have both primary key and foreign key for each ..

Answer / guest

Nope.

Is This Answer Correct ?    1 Yes 1 No

Assume,there are three tables in a database, Can i have both primary key and foreign key for each ..

Answer / subbu

Yes we can have that ! Let me expalin with this small
example.

(PK)ProjectID (FK)ClientID -- Project Table
(PK)ClientID (FK)ProjectManagerID -- ClientTable
(PK)Employee (FK)ProjetcID -- Employee Table

Check This In this example I am having 3 tables and each
table have PK and FK.

Is This Answer Correct ?    1 Yes 5 No

Post New Answer

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