Updating record in random access file


The bytes in random-access files form records of uniform length, each containing one or more fields.

A record with one field corresponds to any standard type, such as an integer or fixed-length string.


Each file-access aspect of the example is discussed separately in the topics listed immediately below.

Although a sequential access mechanism traverses file record in a linear fashion, random access in a file enables us to access individual records directly without searching through other records.



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