Difference between update and alter in sql
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In general usage, both verbs can give the meaning to change something. However, there is a vital difference between alter and update. Alter generally means to make a slight change whereas update means to change something by adding recent information. Therefore, the main difference between alter and update is that update refers to an addition of modern and recent things whereas alter simply refers to a small change.
Alter refers to a slight change in character or composition of something. Altering can make something different without changing into something else.
For example, changing the size of a dress so that it will fit better is known as altering. Here, only a slight change is done to the dress; it is not turned into something else. He holds a Masters of Science degree and numerous database certifications. Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service.
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