Question

Which datatype stores only user specified values? Write the name of datatype.​

Answer 1

Answer:

A key-value database is a type of nonrelational database that uses a simple key-value method to store data. A key-value database stores data as a collection of key-value pairs in which a key serves as a unique identifier. Both keys and values can be anything, ranging from simple objects to complex compound objects. Key-value databases are highly partitionable and allow horizontal scaling at scales that other types of databases cannot achieve. For example, Amazon DynamoDB allocates additional partitions to a table if an existing partition fills to capacity and more storage space is required.

Answer 2

Answer:

hii

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