This post is one of a series that introduces the fundamentals of NOSQL databases ... amount and payment method for a transaction. Key-value stores can have very simple APIs, which make them ...

Most any application needs some form of persistence—a way to store the data outside of the application for safekeeping. The most basic way is to write data to the file system, but that can ...

Migrating from an RDBMS to NoSQL can improve scalability and flexibility. Explore top NoSQL databases and best practices for ...

The most basic of the NoSQL databases is the key-value store, which is composed of a key and an associated data value (which can be a number, a string, or even another set of key-value pairs). While ...

Often, NoSQL databases boast better design flexibility ... They also have key lookups, like key-value stores. Graph databases, such as Neo4j, explicitly express the connections between nodes.

The four key database types that fall under the NoSQL category are key-value stores which allow the storage of schema-less data, with a key and actual data, column family databases, which store data ...

For some time, there was no clear leading key-value NoSQL database. Key-value stores place no restrictions the structure that can be stored for a given key, and, correspondingly, provide no meta data ...

This is due in part to the key value storing properties of NoSQL databases: The unstructured nature of session data is easier to store in a schema-less document than in a structured (and more ...

The NoSQL taxonomy supports key-value stores, document store, BigTable, and graph databases. MongoDB, for example, uses a document model, which can be thought of as a row in a RDBMS. Documents ...

NoSQL databases, on the other hand, store pairs of data: a key holding the name of the field and the value connected to that field. This flexibility allows some entries to have a few keys and ...