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DBMS > AlaSQL vs. NSDb vs. OpenTenBase vs. SpaceTime

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

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonNSDb  Xexclude from comparisonOpenTenBase  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionJavaScript DBMS libraryScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesAn enterprise-level distributed HTAP open source database based on PostgreSQLSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelDocument store
Relational DBMS
Time Series DBMSRelational DBMSSpatial DBMS
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
Score0.08
Rank#370  Overall
#156  Relational DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Websitealasql.orgnsdb.iogithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
www.mireo.com/­spacetime
Technical documentationgithub.com/­AlaSQL/­alasqlnsdb.io/­Architecturedocs.opentenbase.org
docs.opentenbase.org/­en
DeveloperAndrey Gershun & Mathias R. WulffOpenAtom Foundation, previously TencentMireo
Initial release201420172020
Current release2.5, January 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache Version 2.0Open Source infoBSD-3commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava, ScalaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
LinuxLinux
Data schemeschema-freeyesyes
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.nonono
Secondary indexesnoall fields are automatically indexedyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query languageyesA subset of ANSI SQL is implemented
APIs and other access methodsJavaScript APIgRPC
HTTP REST
WebSocket
RESTful HTTP API
Supported programming languagesJavaScriptJava
Scala
C
Go
Java
PHP
Python
C#
C++
Python
Server-side scripts infoStored proceduresnonono
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACIDno
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 controlnoAccess rights for users, groups and roles according to SQL-standardyes

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More resources
AlaSQLNSDbOpenTenBaseSpaceTime
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