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 bytes...
7 KB (789 words) - 18:20, 6 August 2024
A key–value database, or key–value store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, and a data structure...
5 KB (531 words) - 06:16, 24 July 2024
RocksDB (category Ordered Key-Value Store)
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)...
21 KB (1,510 words) - 15:55, 6 August 2024
LevelDB (category Ordered Key-Value Store)
LevelDB is an open-source on-disk key-value store written by Google fellows Jeffrey Dean and Sanjay Ghemawat. Inspired by Bigtable, LevelDB source code...
8 KB (702 words) - 16:28, 12 January 2024
FoundationDB (category Ordered Key-Value Store)
core database exposes an ordered key–value store with transactions. The transactions are able to read or write multiple keys stored on any machine in the...
9 KB (735 words) - 15:53, 5 July 2024
WiredTiger (category Ordered Key-Value Store)
WiredTiger is a NoSQL, open source extensible platform for data management. It is released under version 2 or 3 of the GNU General Public License. WiredTiger...
5 KB (329 words) - 17:02, 5 July 2024
Tkrzw (category Ordered Key-Value Store)
Tkrzw is a library of routines for managing key–value databases. Tokyo Cabinet was sponsored by the Japanese social networking site Mixi, and was a multithreaded...
6 KB (144 words) - 22:26, 18 August 2024
Associative array (redirect from Key-value association)
an abstract data type that stores a collection of (key, value) pairs, such that each possible key appears at most once in the collection. In mathematical...
24 KB (2,769 words) - 16:42, 15 July 2024
NoSQL (section Key–value store)
implemented as an extension of it. The key–value model can be extended to a discretely ordered model that maintains keys in lexicographic order. This extension...
29 KB (2,404 words) - 22:55, 9 August 2024
subsequences and store the keys implicitly.: 358 The terminal node of the tree contains a non-null value, and it is a search hit if the associated value is found...
31 KB (3,399 words) - 11:30, 23 May 2024
airspace, oil and gas, and manufacturing industries. LevelDB is an ordered key/value store created by Google as a lightweight implementation of the Bigtable...
23 KB (2,569 words) - 17:21, 15 May 2024
Redis (redirect from Redis (data store))
source-available, in-memory storage, used as a distributed, in-memory key–value database, cache and message broker, with optional durability. Because...
29 KB (2,637 words) - 20:26, 26 August 2024
Hash table (category CS1: long volume value)
the desired value can be found. During lookup, the key is hashed and the resulting hash indicates where the corresponding value is stored. A map implemented...
52 KB (5,869 words) - 19:02, 24 August 2024
Windows Registry (redirect from Registry key)
root keys. Registry values are name/data pairs stored within keys. Registry values are referenced separately from registry keys. Each registry value stored...
70 KB (8,386 words) - 08:40, 13 August 2024
Hash function (redirect from Hash value)
Scramble the bits of the key so that the resulting values are uniformly distributed over the keyspace, and Map the key values into ones less than or equal...
50 KB (7,528 words) - 09:21, 21 August 2024
algorithm for searching for a key in an array that has been ordered by numerical values assigned to the keys (key values). It was first described by W...
13 KB (1,844 words) - 01:31, 16 January 2024
keys (not key–value pairs), and to which an additional level is added at the bottom with linked leaves. The primary value of a B+ tree is in storing data...
27 KB (3,393 words) - 04:24, 12 August 2024
individual key–value pairs under radix nodes and hash buckets into an associative array. Unlike a simple hash table, HAT-tries store key–value in an ordered collection...
4 KB (707 words) - 13:19, 23 September 2023
Digital data are often stored in relational databases, like tables or SQL databases, and can generally be represented as abstract key/value pairs. Data can be...
16 KB (2,052 words) - 05:32, 4 May 2024
stores the public and/or private keys for cryptocurrency transactions. In addition to this basic function of storing the keys, a cryptocurrency wallet more...
40 KB (3,736 words) - 02:04, 22 June 2024
Database storage structures (section Ordered)
Database tables and indexes may be stored on disk in one of a number of forms, including ordered/unordered flat files, ISAM, heap files, hash buckets...
5 KB (641 words) - 17:47, 25 October 2022
Valkey (category Key-value databases)
is an open-source in-memory storage, used as a distributed, in-memory key–value database, cache and message broker, with optional durability. Because...
30 KB (2,730 words) - 20:30, 26 August 2024
B-tree (category CS1: long volume value)
balanced trees store values only at leaf nodes, and use different kinds of nodes for leaf nodes and internal nodes. B-trees keep values in every node in...
50 KB (7,041 words) - 12:19, 11 August 2024
second loop) to store the positions where items with each key should be placed, k is the maximum value of the non-negative key values and output is the...
12 KB (1,591 words) - 12:36, 9 February 2024
essentially a service for distributed systems offering a hierarchical key-value store, which is used to provide a distributed configuration service, synchronization...
8 KB (714 words) - 15:45, 24 October 2023
Eaton's (redirect from T. Eaton's Store (1st store))
Limited, later known as Eaton's and then Eaton, was a Canadian department store chain that was once the largest in the country. It was founded in 1869 in...
44 KB (5,493 words) - 17:15, 1 August 2024
right subarray ([7, 8, 9, 10, 11]) is 9. Uniform binary search would store the value of 3 as both indices differ from 6 by this same amount. To reduce the...
74 KB (9,632 words) - 18:35, 13 July 2024
History of bitcoin (category CS1: long volume value)
designed as a medium of exchange, Bitcoin is now primarily regarded as a store of value. The history of bitcoin started with its invention and implementation...
152 KB (13,168 words) - 16:24, 21 August 2024
CVS Pharmacy (redirect from Consumer Value Stores)
headquartered in Woonsocket, Rhode Island. Originally named the Consumer Value Stores, it was founded in Lowell, Massachusetts in 1963. The chain was owned...
67 KB (6,441 words) - 16:31, 8 August 2024
Search data structure (section Single ordered keys)
largest key value not exceeding v", "find all items with key values between specified bounds vmin and vmax". In certain databases the key values may be...
9 KB (930 words) - 14:42, 27 October 2023