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DBMS > Lovefield vs. NSDb vs. OpenTenBase vs. PouchDB

System Properties Comparison Lovefield vs. NSDb vs. OpenTenBase vs. PouchDB

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonNSDb  Xexclude from comparisonOpenTenBase  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesAn enterprise-level distributed HTAP open source database based on PostgreSQLJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSTime Series DBMSRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.08
Rank#370  Overall
#156  Relational DBMS
Score2.34
Rank#112  Overall
#21  Document stores
Websitegoogle.github.io/­lovefieldnsdb.iogithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
pouchdb.com
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdnsdb.io/­Architecturedocs.opentenbase.org
docs.opentenbase.org/­en
pouchdb.com/­guides
DeveloperGoogleOpenAtom Foundation, previously TencentApache Software Foundation
Initial release201420172012
Current release2.1.12, February 20172.5, January 20247.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2.0Open Source infoBSD-3Open Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJava, ScalaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
macOS
Linuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringyesno
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 indexesyesall fields are automatically indexedyesyes infovia views
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternSQL-like query languageyesno
APIs and other access methodsgRPC
HTTP REST
WebSocket
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJavaScriptJava
Scala
C
Go
Java
PHP
Python
JavaScript
Server-side scripts infoStored proceduresnonoView functions in JavaScript
TriggersUsing read-only observersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnoyesno
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 persistentyes, by using IndexedDB or the cloud service Firebase Realtime DatabaseUsing Apache Luceneyesyes 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.yes infousing MemoryDByes
User concepts infoAccess controlnoAccess rights for users, groups and roles according to SQL-standardno

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More resources
LovefieldNSDbOpenTenBasePouchDB
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