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A Good Table Design Usually Eliminates the Use of Null

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A good table design usually eliminates the use of null values,so their effects on query results is not generally a concern for database developers.


Definitions:

Practice Sessions

Scheduled periods of time dedicated to rehearsing or exercising skills in order to improve or maintain proficiency in a specific area.

Flow

A mental state of being fully immersed and engaged in an activity, where time seems to pass unnoticed and the individual experiences great focus and enjoyment.

Career Interest

An individual's preference for certain types of work or professional activities.

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