Data Types Processing Files

Data Types Processing Files

• Master File, a file consists of permanent or semi-permanent data consolidated for referencing and updating. It updated to reflect the status of the data contents like Stock Master File, Payroll Master File and others.

• Work File a temporary file used in sorting of immediate data for further processing.

• Transaction File a file that contains source data or transaction data about recorded events used to update the master file.

Example:

Sales transaction file used to update the stock master file

• Security or Backup File a backup copy of a file to safeguard against damaged or loss of current, versions.

• Transition File a temporary file created during processing for a specific use like customer details extracted from master and transaction files to form a statement detailed file. It is use for printing of monthly customer statements.

• Audit File a particular type of transactions file that enables the auditor to check the correct functioning of computer-based procedures by keeping a copy of all transactions that cause permanent files to be changed.