What is the difference between a master file and a transaction file ?

What is the difference between a master file and a transaction file ?
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master file The master file is considered the original file and the data is saved. Data is permanently stored in the master file. The data in this file usually does not require processing. The data in the master file is sorted. The data in this file cannot be processed directly. There are two types of master files: a) reference master file , b) dynamic master file transaction file. Data is not permanently stored in the transaction file. The data in this file is temporarily stored. The data in this file may not be sorted. This file is processed directly. There are two types of transaction files: a) current transaction file , b) sorted transaction file
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