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Data Reengineering Process

publish date: 2026/06/24 21:21:51.558086 UTC

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Which of the following are part of data reengineering during software reengineering? Select all that apply.

Finding and correcting mistakes in the data

Converting existing databases to a new structure

Removing duplicate records

Redefining database schemas to reflect program changes

Automatically generating brand-new business data with no relationship to the original system

Permanently encrypting all historical data so it can never be read again

Correct Answer

(1) Redefining database schemas to reflect program changes

(2) Converting existing databases to a new structure

(3) Finding and correcting mistakes in the data

(4) Removing duplicate records

Explanation

Data reengineering involves redefining database schemas, converting existing databases to new structures, and cleaning up the data by finding and correcting mistakes and removing duplicate records. This process can be expensive and prolonged, since data quality problems often accumulate over years of use.

Reference

Software Engineering, Ian Sommerville, 10th edition

Data Reengineering Process

Correct Answer

Explanation

Reference

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