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DBMS > Apache Phoenix vs. Firebase Realtime Database vs. LokiJS vs. Oracle Coherence vs. SQream DB

System Properties Comparison Apache Phoenix vs. Firebase Realtime Database vs. LokiJS vs. Oracle Coherence vs. SQream DB

Editorial information provided by DB-Engines
NameApache Phoenix  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionA scale-out RDBMS with evolutionary schema built on Apache HBaseCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.In-memory JavaScript DBMSOracles in-memory data grid solutiona GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelRelational DBMSDocument storeDocument storeKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.97
Rank#126  Overall
#59  Relational DBMS
Score14.29
Rank#39  Overall
#6  Document stores
Score0.43
Rank#264  Overall
#42  Document stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.70
Rank#227  Overall
#104  Relational DBMS
Websitephoenix.apache.orgfirebase.google.com/­products/­realtime-databasegithub.com/­techfort/­LokiJSwww.oracle.com/­java/­coherencesqream.com
Technical documentationphoenix.apache.orgfirebase.google.com/­docs/­databasetechfort.github.io/­LokiJSdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.sqream.com
DeveloperApache Software FoundationGoogle infoacquired by Google 2014OracleSQream Technologies
Initial release20142012201420072017
Current release5.0-HBase2, July 2018 and 4.15-HBase1, December 201914.1, August 20232022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptJavaC++, CUDA, Haskell, Java, Scala
Server operating systemsLinux
Unix
Windows
hostedserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMLinux
Data schemeyes infolate-bound, schema-on-read capabilitiesschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyesyes, ANSI Standard SQL Types
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.nononono
Secondary indexesyesyesyes infovia viewsnono
SQL infoSupport of SQLyesnononoyes
APIs and other access methodsJDBCAndroid
iOS
JavaScript API
RESTful HTTP API
JavaScript APIJCache
JPA
RESTful HTTP API
.Net
JDBC
ODBC
Supported programming languagesC
C#
C++
Go
Groovy
Java
PHP
Python
Scala
Java
JavaScript
Objective-C
JavaScript.Net
C++
Java
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionslimited functionality with using 'rules'View functions in JavaScriptnouser defined functions in Python
TriggersnoCallbacks are triggered when data changesyesyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardinghorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
noneyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
noneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesno infoatomic operations within a single collection possibleconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess Control Lists (using HBase ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC, multi-tenancyyes, based on authentication and database rulesnoauthentification to access the cache via certificates or http basic authentication

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More resources
Apache PhoenixFirebase Realtime DatabaseLokiJSOracle CoherenceSQream DB
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