Why Is It Necessary To Open A File In I-o Mode For Rewrite?

1.	Why Is It Necessary To Open A File In I-o Mode For Rewrite?
Answer» Before REWRITE is PERFORMED, the RECORD MUST be opened and read from the FILE. Therefore, the file must be opened in I-O MODE for rewrite functionality. Before REWRITE is performed, the record must be opened and read from the file. Therefore, the file must be opened in I-O mode for rewrite functionality.

Answer»

Before REWRITE is PERFORMED, the RECORD MUST be opened and read from the FILE. Therefore, the file must be opened in I-O MODE for rewrite functionality.

Before REWRITE is performed, the record must be opened and read from the file. Therefore, the file must be opened in I-O mode for rewrite functionality.

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Why Is It Necessary To Open A File In I-o Mode For Rewrite?

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