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DBMS > Couchbase vs. Firebase Realtime Database vs. Oracle Coherence

System Properties Comparison Couchbase vs. Firebase Realtime Database vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Oracles in-memory data grid solution
Primary database modelDocument storeDocument storeKey-value store
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score33.71
Rank#23  Overall
#3  Document stores
Score11.28
Rank#41  Overall
#7  Document stores
Score2.53
Rank#101  Overall
#19  Key-value stores
Websitewww.couchbase.comfirebase.google.com/­products/­realtime-databasewww.oracle.com/­technetwork/­middleware/­coherence/­overview/­index.html
Technical documentationdocs.couchbase.comfirebase.google.com/­docs/­databasewww.oracle.com/­technetwork/­middleware/­coherence/­documentation/­index.html
DeveloperCouchbase, Inc.Google infoacquired by Google 2014Oracle
Initial release201120122007
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 201912c, September 2016
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, Go and ErlangJava
Server operating systemsLinux
OS X
Windows
hostedAll OS with a Java VM
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyesyes
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.nono
Secondary indexesyesyesno
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.nono
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsAndroid
iOS
JavaScript API
RESTful HTTP API
JCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
Java
JavaScript
Objective-C
.Net
C++
Java
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptlimited functionality with using 'rules'no
Triggersyes infovia the TAP protocolCallbacks are triggered when data changesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoincluding cross data center replication
Master-slave replication
yes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsyesconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authenticationyes, based on authentication and database rulesauthentification to access the cache via certificates or http basic authentication
More information provided by the system vendor
Couchbase infoOriginally called MembaseFirebase Realtime DatabaseOracle Coherence
Specific characteristicsCouchbase Server is an open source NoSQL database engineered to support the agile...
» more
Competitive advantagesPowerful Querying: An expressive query language that extends SQL and supports joins...
» more
Typical application scenariosReal-time Big Data , Profile Management , Mobile Applications , Content Management...
» more
Key customersCouchbase customers include industry leaders like AOL, AT&T, Bally’s, BSkyB, Cisco...
» more
Licensing and pricing modelsAll software is licensed under the Apache License, Version 2.0
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Couchbase infoOriginally called MembaseFirebase Realtime DatabaseOracle Coherence
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