COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In the database world, sometimes we are familiar with the term data redundancy. The meaning of redundancy data is ____
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Data Allowance
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Data Frame
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Data Condition
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Data error
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Data Position
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Explanation:
Detailed explanation-1: -Data redundancy means the storage of data in database that is more than necessary. A good database design makes you enter any data only once and managed in such a way that the same data will be used wherever required thereafter.
Detailed explanation-2: -A common example of data redundancy is when a name and address are both present in different columns within a table. If the link between these data points is defined in every single new database entry it would lead to unnecessary duplication across the entire table.
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