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Source Systems

Source systems
Source system refers to any system or file that captures or
holds data of interest. This data is eventually analyzed in
report format to determine answers to business-related
questions.
The source system is the originating point of the data. For
example, if you use your ATM card to conduct a transaction,
the ATM is the point of transaction. It is the place where the
data is gathered. In this example, the ATM gathers the
information about how many dollars you deposited or
withdrew from your account. The data is then written to a
source system that is the large database behind the ATMs.
Deposits, withdrawals, sales transactions, inventory
depletion, or replenishment are referred to as transaction
processing. The source system records the transaction.
Transaction processing data is usually stored in databases or
mainframes for storage retrieval.

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