i have one physical file which is having two logical files.
logical a have unique keyword and logical b doesnt have a
unique keyword. can i give duplicate values while updating
through physical file. if no why?
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Answer / syam
You cannot update Physical file or Logical File.
duplicate key
| Is This Answer Correct ? | 15 Yes | 1 No |
Answer / rajesh
While updating the Physical file, it looks for constraints
on all the all logicals defined over it.
| Is This Answer Correct ? | 14 Yes | 1 No |
Answer / sumit gupta
Whenever you update physical file, then it checks for all
file level keyword that specifies on logical file if any.
If no logical then simple update will perform.
In this, before updating your physical file temporary
program will get the UNIQUE specified as file level keyword
on 1 logical file.
And thus it through error, Duplicate key error in another
database member
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ankur
no u can not give duplicate value while updating through
physical file. Because logical file based on physical file
and having accesspath that is base on physical file
accesspath.
| Is This Answer Correct ? | 1 Yes | 1 No |
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