Join TSR now and get answers to all your questions about uniSign up now
    • Thread Starter
    Offline

    0
    ReputationRep:
    Hi I've got coursework, just wanted to know

    whats the minimum amount of columns you can have for a primary key to be used

    i need help, answers are welcome?!

    have a nice day
    Offline

    3
    ReputationRep:
    1.
    Offline

    2
    ReputationRep:
    I assume it is one column.
 
 
 
Poll
Would you rather

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.