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DBMS > NSDb vs. Realm vs. Transwarp Hippo

System Properties Comparison NSDb vs. Realm vs. Transwarp Hippo

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Editorial information provided by DB-Engines
NameNSDb  Xexclude from comparisonRealm  Xexclude from comparisonTranswarp Hippo  Xexclude from comparison
DescriptionScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataCloud-native distributed Vector DBMS that supports storage, retrieval, and management of massive vector-based datasets
Primary database modelTime Series DBMSDocument storeVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score7.18
Rank#52  Overall
#8  Document stores
Score0.00
Rank#385  Overall
#16  Vector DBMS
Websitensdb.iorealm.iowww.transwarp.cn/­en/­subproduct/­hippo
Technical documentationnsdb.io/­Architecturerealm.io/­docs
DeveloperRealm, acquired by MongoDB in May 2019
Initial release201720142023
Current release1.0, May 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaC++
Server operating systemsLinux
macOS
Android
Backend: server-less
iOS
Windows
Linux
macOS
Data schemeyes
Typing infopredefined data types such as float or dateyes: int, bigint, decimal, stringyesVector, Numeric and String
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 indexesall fields are automatically indexedyesno
SQL infoSupport of SQLSQL-like query languagenono
APIs and other access methodsgRPC
HTTP REST
WebSocket
RESTful HTTP API
Supported programming languagesJava
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
C++
Java
Python
Server-side scripts infoStored proceduresnono inforuns within the applications so server-side scripts are unnecessaryno
Triggersyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentUsing Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realmyes
User concepts infoAccess controlyesRole based access control and fine grained access rights

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More resources
NSDbRealmTranswarp Hippo
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