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Technical Discussion :: SQL

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What are the conditions to achieve the normalization?

Answer:

There are few conditions to achieve the normalization:
* There should be a unique row identifier.
* A table should store only data for a single type of entity. For e.g. details for book’s publisher and book’s author should be saved under different table.
* A table should avoid columns which can be null-able.
* A table should avoid duplication of data and columns.

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