Question

Which of the following refers to the situation where different versions of the same data are stored at different places because they weren’t updated consistently?a.Data integrityb.Data dictionaryc.Data redundancyd.Data query

Answer 1

The correct answer to the following question will be Option C (Data redundancy).

Step-by-step explanation:

This is the process that repetitively operates on both the data or information and functions as more of an issue throughout the digital storage interface. It means that only certain categories of data are replicated throughout the database.

• Some like variant of information is generated and preserved in either the database.
• It will have the downside of excessively loading up the storage capacity and further causing a decline in storage.

Another choice as incorrect or inaccurate as data integrity is relevant to its consistency, data dictionary holds data material and query applies to every request that arises regarding details. Therefore, the third option seems to be the correct course of action.

Answer 2

Answer: C) Data redundancy

Explanation: Data redundancy is the mechanism in which the information or data acts in repetitive manner.This acts as a problem in the operating system which have the data storage.

The similar data version are created and get stored in the database.It has the drawback of filling the storage space unnecessarily and thus storage space reduction is caused.

Other option as are incorrect because data integrity is related with the accuracy of data, data dictionary carries the content of data and data query is regarding any queries that occur in relation with data .Thus, the correct option is option (C).