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?
Answers were Sorted based on User's Feedback
Answer / jagadish
In select single, you have to mention all the key fields in
where condition. Only in Select upto n rows there is no
need to specify all the key fields
|Is This Answer Correct ?||13 Yes||0 No|
Answer / sainath
There wont be many primary keys.only one primay key with
many fields combination.so you can use select single for the
field u want.
|Is This Answer Correct ?||5 Yes||7 No|
Answer / 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|
Answer / ramjan shaik
A TABLE MUST HAVE ONLY ONE PRIMARY KEY.MORE THAN ONE
PRIMARY KEY NOT POSSIBLE TO GIVE TO THE TABLE.IF
GIVES,ERROR MESSAEG WILL DISPLAYS
|Is This Answer Correct ?||0 Yes||4 No|
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