A key-value database, or key-value store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, a data structure...

An ordered key–value store (OKVS) is a type of data storage paradigm that can support multi-model database. An OKVS is an ordered mapping of bytes to...

software portal Lightning Memory-Mapped Database (LMDB) is an embedded transactional database in the form of a key-value store. LMDB is written in C with API...

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...

Redis (/ˈrɛdɪs/; Remote Dictionary Server) is an in-memory key–value database, used as a distributed cache and message broker, with optional durability...

DBM is a library and file format providing fast, single-keyed access to data. A key-value database from the original Unix, dbm is an early example of a NoSQL...

Valkey is an open-source in-memory key–value database, used as a distributed cache and message broker, with optional durability. Because it holds all data...

rapid traversal. Document-oriented databases are inherently a subclass of the key-value store, another NoSQL database concept. The difference[contradictory]...

etcd is a key-value database commonly deployed with distributed systems. The software is used by Kubernetes. It is written in the Go programming language...

relational databases, which organize data into rows and columns like a spreadsheet, NoSQL databases use a single data structure—such as key–value pairs, wide...

cache database. Aerospike offers Key-Value, JSON Document, Graph data, and Vector Search models. Aerospike is an open source distributed NoSQL database management...

managing key–value databases. Tokyo Cabinet was sponsored by the Japanese social networking site Mixi, and was a multithreaded embedded database manager...

Amazon DynamoDB is a managed NoSQL database service provided by Amazon Web Services (AWS). It supports key-value and document data structures and is designed...

Berkeley DB (BDB) is an embedded database software library for key/value data, historically significant in open-source software. Berkeley DB is written...

MUMPS is a high performance transaction processing key–value database with integrated programming language. MUMPS allows multiple commands to appear on...

A surrogate key (or synthetic key, pseudokey, entity identifier, factless key, or technical key[citation needed]) in a database is a unique identifier...

"layers." The core database exposes an ordered key–value store with transactions. The transactions are able to read or write multiple keys stored on any machine...

of relational databases, a foreign key is subject to an inclusion dependency constraint that the tuples consisting of the foreign key attributes in one...

associative array, key-value store, map, symbol table, or dictionary is an abstract data type that stores a collection of (key, value) pairs, such that...

Oracle NoSQL Database is a NoSQL-type distributed key-value database from Oracle Corporation. It provides transactional semantics for data manipulation...

index in database is most commonly used index in data management. It is created on a column that contains unique values, such as a primary key or email...

referenced value must exist. For referential integrity to hold in a relational database, any column in a base table that is declared a foreign key can only...

FTP servers or typically Web servers may use a central in-memory key-value database, like Redis or Aerospike, for session management. A rate limiting...

high-level programming language with an integrated transaction processing key–value database. It was originally developed at Massachusetts General Hospital for...

primary key (PK) for each row in a table. When a new row is written to the table, a new unique value for the primary key is generated; this is the key that...

A candidate key, or simply a key, of a relational database is any set of columns that have a unique combination of values in each row, with the additional...

RocksDB is a high performance embedded database for key-value data. It is a fork of Google's LevelDB optimized to exploit multi-core processors (CPUs)...

tolerance, NoSQL databases became prominent after 2009. NoSQL databases use a variety of data models, with document, graph, and key–value models being popular...

Vijay (February 2017), ScyllaDB and Samsung NVMe SSDs Accelerate NoSQL Database Performance (PDF), Samsung Semiconductor Inc., p. 12, retrieved 2019-02-07...

A natural key (also known as business key or domain key) is a type of unique key in a database formed of attributes that exist and are used in the external...