Field and Record Organization: Overview
The basic logical unit of data is the field which contains a single data value.
Fields are organized into aggregates, either as many copies of a single field (an array) or as a list of different fields (a record).
When a record is stored in memory, we refer to it as an object and refer to its fields as members.
In this lecture, we will investigate the many ways that objects can be represented as records in files.