COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Disadvantages of File systems to store data is:
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Data redundancy and inconsistency
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Difficulty in accessing data
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Data isolation
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All of the above
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Explanation:
Detailed explanation-1: -Data redundancy. Data inconsistency. Difficult data access. Security problems. Difficult concurrent access.
Detailed explanation-2: -1. Data Redundancy and Inconsistency-Identical data are distributed over various file system . This is because of the redundancy inconsistency may occur on updating . 2.
Detailed explanation-3: -a) Data redundancy and inconsistency. File processing system leads to the usage of many copies of same data. b) Difficulty in accessing data. c) Data isolation. e) Atomicity problems. f) Concurrent access anomalies. 05-Jul-2017
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