INTERVIEW QUESTIONS MICROSOFT .NET DATABASE DETAILS

Question: What is de-normalization? When do you do it and how?

Answer: De-normalization is the process of attempting to optimize the performance of a database by adding redundant data. It’s used To introduce redundancy into a table in order to incorporate data from a related table. The related table can then be eliminated. De-normalization can improve efficiency and performance by reducing complexity in a data warehouse schema.

De-normalization is the process of attempting to optimize the performance of a database by adding redundant data. It’s used To introduce redundancy into a table in order to incorporate data from a related table. The related table can then be eliminated. De-normalization can improve efficiency and performance by reducing complexity in a data warehouse schema. Source: CoolInterview.com

Denormalization is simply opposite of normalization and it may have redundant data that is not in normalization form




Regards,
Nicku Source: CoolInterview.com

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