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Home
Databases
Online
An online database is one in which all
the customer records can be called up
on your screen instantly when you want
them. Online databases are kept on disk.
The opposite of online is offline (or
batch) which usually means that the
database is kept on magnetic tape.
Overlayed Data
A process whereby a customer file has
data appended to it (such as age, income,
home value) from some external data
file. See enhancement.
Relational
A relational database is what is needed
for database marketing. Such a database
is kept on disk and consists of related
files (name and address, orders) which
are related to each other by ID numbers
and accessed by indexes.
Test Database
All marketing databases should have
a companion test database which programmers
use to write and test new software before
it goes on the production database.
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