Get The Basics On NoSQL Databases: Key Value Databases

Key value databases are the least complicated of all data management structures. This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics.

What are key value databases? A key value database is a collection of paired identifiers, called “keys,” and facts, called “values.” Typical keys might be names, identification numbers, or IP addresses. Values may include a single fact, such as a phone number, or multiple facts, such as the time, amount and payment method for a transaction. Key value databases are also called “associative array,” “data structure,” “dictionary,” and “hash” How is a key value database different from a relational database?

Author: Meta S. Brown

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