BIT
The bit is represented by 0 for OFF or 1 for ON.
It is a binary digit. It is the smallest unit of data the
computer can store in a database.
BYTE
A
byte is a collection of bits. Each byte consists of eight
bits. Each byte represents a character.
FIELD
A field is a unit of data consisting
of one or more characters (bytes). A field is
the smallest unit of meaningful information in the database.
Each field has a field name. The field name describes the data that should be
entered into the field, such as StudentID (Student ID), Name, Address and MyKad
Number.
RECORD
A record is a collection of
related fields. Example : Each record stores data about a students. For
example, a student record is a collection of fields about a student.
FILE
A file is
a collection of related records. For example, a student file is a
collection of students’ records.
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