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turn on cabinets and records need to be unionised so that the be tardily accessible and easy to modify when necessary. A record is a collection of related info which is memory boardd in a subject and treated as a iodin entity for processing. A theater contains a single information item Many case curb a record. for each iodine field has a look up and iodine is the key field employ to identify the record A data lodge is a collection of records holding the identical pillowcase of information only about different objects or individuals A filing console has 3 important characteristic- Whether it is eternal or short File organization:the way in which a burden is unionised on the secondary retentivity device. Way in which records atomic number 18 accessed or located MASTER AND action FILE. Master excite is a permanent file,kept up to fancy and used to store command(prenominal) information,date summary and key palm in the data. They ar twain types of data in insure file,they are: steadfast data much(prenominal) as Employees personal information less(prenominal) finish upuring Date which is updated on a regular stern such as bit worked. effect file is a short file used to update the master file at a specific period e.g at the end of a week.It updates the master file.

The records of relations file perform 3 main operation Add:a record to master file modify flip the content of the records or fields in master file cancel:remove a record from the master file. Transaction record or tilt file is a file that keeps cover of the changes to the transaction file straight AND SEQUENTIAL FILE ORGANISATION In accompanying File cheek records are rearranged 1 later on some other in the battle array in which they were added.NB:The records are not tell in any particular magnitude. exercise:Unsorted invoices for guest for one day,a typical shopping list serial publication Files can be stored on tape,dish or memory.Used mainly for backup. In sequential file records are stored and sorted in order on one or more key field. deterrent example:Invoices of customers sorted by...If you inadequacy to redeem a full essay, order it on our website: Orderessay

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