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DBMS > AlaSQL vs. NSDb vs. SpaceTime vs. YTsaurus

System Properties Comparison AlaSQL vs. NSDb vs. SpaceTime vs. YTsaurus

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonNSDb  Xexclude from comparisonSpaceTime  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionJavaScript DBMS libraryScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesSpaceTime is a spatio-temporal DBMS with a focus on performance.YTsaurus is an open source platform for distributed storage and processing.
Primary database modelDocument store
Relational DBMS
Time Series DBMSSpatial DBMSDocument store
Key-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.21
Rank#324  Overall
#45  Document stores
#48  Key-value stores
Websitealasql.orgnsdb.iowww.mireo.com/­spacetimeytsaurus.tech
Technical documentationgithub.com/­AlaSQL/­alasqlnsdb.io/­Architectureytsaurus.tech/­docs/­en
DeveloperAndrey Gershun & Mathias R. WulffMireoYandex
Initial release2014201720202023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache Version 2.0commercialOpen Source infoApache License, Version 2.0
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)Linux
macOS
LinuxUbuntu
Data schemeschema-freeyes
Typing infopredefined data types such as float or datenoyes: int, bigint, decimal, stringyesyes
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.nononono
Secondary indexesnoall fields are automatically indexedno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query languageA subset of ANSI SQL is implementedYQL, an SQL-based language, is supported
APIs and other access methodsJavaScript APIgRPC
HTTP REST
WebSocket
RESTful HTTP API
Supported programming languagesJavaScriptJava
Scala
C#
C++
Python
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresnonono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneReal-time block device replication (DRBD)yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageUsing Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoyesAccess Control Lists

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More resources
AlaSQLNSDbSpaceTimeYTsaurus
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