Hai friends
why we need to read a file before re-write a record?
Answer Posted / ravi patnam
1) When you want to modify a record, first you have to get
that into memory from physical file by the way of reading.
2)Then do modifications.
3)After the modification over again put it bak to the
physical file by using 'Rewrite' command.
| Is This Answer Correct ? | 3 Yes | 0 No |
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