Fundamentals of Data Engineering by Joe Reis & Matt Housley

Author:Joe Reis & Matt Housley [Joe Reis]
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2022-06-29T00:00:00+00:00

File Storage

We deal with files every day, but the notion of a file is somewhat subtle. A file is a data entity with specific read, write, and reference characteristics used by software and operating systems. We define a file to have the following characteristics:

Finite length

A file is a finite-length stream of bytes.

Append operations

We can append bytes to the file up to the limits of the host storage system.

Random access

We can read from any location in the file or write updates to any location.

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