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"It is well known that design and development activity of any kind is an ongoing process requiring constant monitoring and periodic adjustment and tuning."

What is adjustment and tuning in database design ? and what the different between them ?

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I'm pretty sure “tuning” and “adjustment” are not technical words. In a database context, tuning tends to refer to queries and their performance; I think adjustment refers to changing the database layout or the data. There is no deep scientific or technical meaning behind these two words. – Gilles♦ Dec 13 '12 at 0:06

closed as not constructive by Gilles♦ Dec 13 '12 at 0:07

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