What is an Attribute-Value Pair (AVP)?

What does AVP stand for?

An Attribute-cost pair (AVP) is a essential illustration of statistics in Laptop sySTEMs and its diverse Packages. The Characteristic-cost pair is a Great manner of storing and Modeling real-global statistics in a Database. A precise Instance of that is how Personal statistics along with a name is saved, by using the use of an attribute referred to as “first name” observed with the aid of its cost pair, that is the real first name of the character.

An characteristic-value pair is also referred to as a call-price pair, key-price pair or Field-fee pair.

What Does Attribute-Value Pair Mean?

Attribute-cost pairs may be located in any pc machine, and they may be Discovered at the back of a whole lot of common Functionalities. A right example is any kind of login credential having a Username and a Password. The “username” and “password” are considered because the characteristic that points to the real values for that account, and the actual username and password are the “values” of these attributes. These attributes defiNitely give statistics meaning, with out it, it might truely be more than a few, phrase or aggregate of each, however could infrequently have any which means.

Because of the concept of giving Context to Records, this illustration is most customarily employed in Databases. It is used while the number of columns is huge or wide Variety of columns is unknown or very dynamic. This is due to the fact column Headers can not be concretely defined due to the distinction in statistics context. But using this in a database additionally has a drawback, for it is more difficult to question or even define Constraints and implement them.

Although now not honestly taken into consideration as such, the concept of the characteristic-cost pair is pervasive in Programming Languages themselves, for you can not have a Variable with out a corresponding price. The variable is the attribute and whatever it contains or points to is the price.