
Systems design
2 A
transactions
file
contains the records of current transactions prior
to the update of the relevant master file. It is important to avoid
confusion over the word 'transactions'. This is commonly taken to
refer to the business activity of buying and selling. But in business
computing, a transaction refers to any activity which affects the
organization's master files.
3 A
reference
file
is a type of master file which contains information
which you need to refer to when processing transactions, updating
master files, or producing reports. It will normally contain just the
record key together with the corresponding descriptiv