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i have 4 primary keys and i want to use only one primary key
for select single.What changes will occur in the system?can
i use it?

Answer Posted / rams

when ever you are using select single you have to use all
primary key's, other wise it will give syntax error,

when you are using select UPTO N rows, there is no need to
use all primary key

Is This Answer Correct ?    0 Yes 3 No



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