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DBMS > Lovefield vs. NSDb vs. searchxml vs. STSdb

System Properties Comparison Lovefield vs. NSDb vs. searchxml vs. STSdb

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonNSDb  Xexclude from comparisonsearchxml  Xexclude from comparisonSTSdb  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 KubernetesDBMS for structured and unstructured content wrapped with an application serverKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelRelational DBMSTime Series DBMSNative XML DBMS
Search engine
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.22
Rank#306  Overall
#138  Relational DBMS
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score0.00
Rank#385  Overall
#7  Native XML DBMS
#24  Search engines
Score0.03
Rank#365  Overall
#54  Key-value stores
Websitegoogle.github.io/­lovefieldnsdb.iowww.searchxml.net/­category/­productsgithub.com/­STSSoft/­STSdb4
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdnsdb.io/­Architecturewww.searchxml.net/­support/­handouts
DeveloperGoogleinformationpartners gmbhSTS Soft SC
Initial release2014201720152011
Current release2.1.12, February 20171.04.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache Version 2.0commercialOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava, ScalaC++C#
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
macOS
WindowsWindows
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringyesyes infoprimitive types and user defined types (classes)
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.nonoyes
Secondary indexesyesall fields are automatically indexedyesno
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternSQL-like query languagenono
APIs and other access methodsgRPC
HTTP REST
WebSocket
RESTful HTTP API
WebDAV
XQuery
XSLT
.NET Client API
Supported programming languagesJavaScriptJava
Scala
C++ infomost other programming languages supported via APIsC#
Java
Server-side scripts infoStored proceduresnonoyes infoon the application serverno
TriggersUsing read-only observersnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnomultiple readers, single writerno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime DatabaseUsing Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing MemoryDBno
User concepts infoAccess controlnoDomain, group and role-based access control at the document level and for application servicesno

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