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DBMS > Galaxybase vs. LevelDB vs. OushuDB vs. PouchDB

System Properties Comparison Galaxybase vs. LevelDB vs. OushuDB vs. PouchDB

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Editorial information provided by DB-Engines
NameGalaxybase  Xexclude from comparisonLevelDB  Xexclude from comparisonOushuDB  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionScalable, ACID-compliant native distributed parallel graph platformEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningJavaScript DBMS with an API inspired by CouchDB
Primary database modelGraph DBMSKey-value storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#377  Overall
#40  Graph DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score2.34
Rank#112  Overall
#21  Document stores
Websitegalaxybase.comgithub.com/­google/­leveldbwww.oushu.com/­product/­oushuDBpouchdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdwww.oushu.com/­documentationpouchdb.com/­guides
DeveloperChuanglin(Createlink) Technology Co., Ltd 浙江创邻科技有限公司GoogleOushuApache Software Foundation
Initial release201720112012
Current releaseNov 20, November 20211.23, February 20214.0.1, August 20207.1.1, June 2019
License infoCommercial or Open SourcecommercialOpen Source infoBSDcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and JavaC++JavaScript
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeStrong typed schemaschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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.nonono
Secondary indexesyesnoyesyes infovia views
SQL infoSupport of SQLnonoFull-featured ANSI SQL supportno
APIs and other access methodsBrowser interface
console (shell)
Graph API (Gremlin)
OpenCypher
Proprietary native API
JDBC
ODBC
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesGo
Java
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C++
JavaScript
Server-side scripts infoStored proceduresuser defined procedures and functionsnoyesView functions in JavaScript
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneyesSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlRole-based access controlnoKerberos, SSL and role based accessno

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More resources
GalaxybaseLevelDBOushuDBPouchDB
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