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What are three terms for key-value pairs?
A name–value pair, also called an attribute–value pair, key–value pair, or field–value pair, is a fundamental data representation in computing systems and applications.
What is the key-value pair format?
A key-value pair consists of two related data elements: A key, which is a constant that defines the data set (e.g., gender, color, price), and a value, which is a variable that belongs to the set (e.g., male/female, green, 100). Fully formed, a key-value pair could look like these: gender = male. color = green.
What is a collection of key-value pairs called?
A dictionary is an unordered collection of key-value pairs. The keys are unique and have to be immutable types like numbers or strings. In other languages a dictionary is called an associative array, hash, or map.
What is meant by key-value pair?
A key-value pair (KVP) is an abstract data type that includes a group of key identifiers and a set of associated values. Key-value pairs are frequently used in lookup tables, hash tables and configuration files.
How are key-value pairs used?
A key-value pair (KVP) is a set of two linked data items: a key, which is a unique identifier for some item of data, and the value, which is either the data that is identified or a pointer to the location of that data. Key-value pairs are frequently used in lookup tables, hash tables and configuration files.
Is a key value pair an item?
Which of the following is an example of a key value pair?
A telephone directory is a good example, where the key is the person or business name, and the value is the phone number. Stock trading data is another example of a key-value pair.
What means key-value?
An item of data that is identified by an arbitrary name. The key is the name, and the value is the content; for example, the key might be CITY, and the value might be CHICAGO. A key-value database is a set of key-value pairs. Variables Are Key-Values.
Is a key-value pair an item?