Question:What do you mean by maintaining files or database? 

Answer Maintaining refers to any activities that change the number of records in a master file. Such activities are as follows: -> Adding records to and deleting records from a master file are the most common maintenance activities. -> Initial creation of the master file can also consider as maintenance. -> Elimination of the master file when the file is no longer needed. 

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What do you mean by maintaining files or database?
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