Câu hỏi phỏng vấn Databases
Câu hỏi

What is Normalisation?

Câu trả lời

Normalization is basically to design a database schema such that duplicate and redundant data is avoided. If the same information is repeated in multiple places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.

There is a number of normalization levels from 1. no...

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What are the advantages of NoSQL over traditional RDBMS?

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