Data Redundancy
Understand the impact of redundancy on storage overhead and data integrity risks.
Identifying redundant data in the SalesData
table
The layout of our updated SalesData
table is as follows:
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DESCRIBE SalesData;
Let’s take another look at the stored data:
Do you notice anything peculiar? There might be several aspects, but let’s concentrate on one: redundant data. Is there any information needlessly repeated? ...