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DBMS > Cachelot.io vs. LokiJS vs. Oracle NoSQL vs. Realm vs. YDB

System Properties Comparison Cachelot.io vs. LokiJS vs. Oracle NoSQL vs. Realm vs. YDB

Editorial information provided by DB-Engines
NameCachelot.io  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle NoSQL  Xexclude from comparisonRealm  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionIn-memory caching systemIn-memory JavaScript DBMSA multi-model, scalable, distributed NoSQL database, designed to provide highly reliable, flexible, and available data management across a configurable set of storage nodesA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelKey-value storeDocument storeDocument store
Key-value store
Relational DBMS
Document storeDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#388  Overall
#62  Key-value stores
Score0.49
Rank#260  Overall
#42  Document stores
Score3.05
Rank#97  Overall
#17  Document stores
#16  Key-value stores
#50  Relational DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Websitecachelot.iogithub.com/­techfort/­LokiJSwww.oracle.com/­database/­nosql/­technologies/­nosqlrealm.iogithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationtechfort.github.io/­LokiJSdocs.oracle.com/­en/­database/­other-databases/­nosql-database/­index.htmlrealm.io/­docsydb.tech/­en/­docs
DeveloperOracleRealm, acquired by MongoDB in May 2019Yandex
Initial release20152014201120142019
Current release24.1, May 2024
License infoCommercial or Open SourceOpen Source infoSimplified BSD LicenseOpen SourceOpen Source infoProprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)Open SourceOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptJava
Server operating systemsFreeBSD
Linux
OS X
server-less, requires a JavaScript environment (browser, Node.js)Linux
Solaris SPARC/x86
Android
Backend: server-less
iOS
Windows
Linux
Data schemeschema-freeschema-freeSupport Fixed schema and Schema-less deployment with the ability to interoperate between them.yesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenonooptionalyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonononono
Secondary indexesnoyes infovia viewsyesyesyes
SQL infoSupport of SQLnonoSQL-like DML and DDL statementsnoSQL-like query language (YQL)
APIs and other access methodsMemcached protocolJavaScript APIRESTful HTTP APIRESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
OCaml
Perl
PHP
Python
Ruby
JavaScriptC
C#
Go
Java
JavaScript (Node.js)
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptnono inforuns within the applications so server-side scripts are unnecessaryno
Triggersnoyesnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneElectable source-replica replication per shard. Support distributed global deployment with Multi-region table featurenoneActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyeswith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnonenoneEventual Consistency
Immediate Consistency infodepending on configuration
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleconfigurable infoACID within a storage node (=shard)ACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infooff heap cacheyes infoIn-Memory realmno
User concepts infoAccess controlnonoAccess rights for users and rolesyesAccess rights defined for Yandex Cloud users

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More resources
Cachelot.ioLokiJSOracle NoSQLRealmYDB
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