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DBMS > AlaSQL vs. atoti vs. FatDB vs. SpaceTime vs. TDengine

System Properties Comparison AlaSQL vs. atoti vs. FatDB vs. SpaceTime vs. TDengine

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonatoti  Xexclude from comparisonFatDB  Xexclude from comparisonSpaceTime  Xexclude from comparisonTDengine  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionJavaScript DBMS libraryAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.A .NET NoSQL DBMS that can integrate with and extend SQL Server.SpaceTime is a spatio-temporal DBMS with a focus on performance.Time Series DBMS and big data platform
Primary database modelDocument store
Relational DBMS
Object oriented DBMSDocument store
Key-value store
Spatial DBMSTime Series DBMS
Secondary database modelsRelational DBMSRelational 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
Score0.61
Rank#243  Overall
#10  Object oriented DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score2.68
Rank#106  Overall
#9  Time Series DBMS
Websitealasql.orgatoti.iowww.mireo.com/­spacetimegithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.atoti.iodocs.tdengine.com
DeveloperAndrey Gershun & Mathias R. WulffActiveViamFatCloudMireoTDEngine, previously Taos Data
Initial release2014201220202019
Current release3.0, August 2022
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infofree versions availablecommercialcommercialOpen Source infoAGPL V3, also commercial editions available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaC#C++C
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)WindowsLinuxLinux
Windows
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyesyes
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 indexesnoyesnono
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.Multidimensional Expressions (MDX)no infoVia inetgration in SQL ServerA subset of ANSI SQL is implementedStandard SQL with extensions for time-series applications
APIs and other access methodsJavaScript API.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
RESTful HTTP APIJDBC
RESTful HTTP API
Supported programming languagesJavaScriptC#C#
C++
Python
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
Server-side scripts infoStored proceduresnoPythonyes infovia applicationsnono
Triggersyesyes infovia applicationsnoyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesnoneSharding, horizontal partitioningShardingFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factorReal-time block device replication (DRBD)yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenono
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlnono infoCan implement custom security layer via applicationsyesyes
More information provided by the system vendor
AlaSQLatotiFatDBSpaceTimeTDengine
Specific characteristicsTDengineā„¢ is a next generation data historian purpose-built for Industry 4.0 and...
» more
Competitive advantagesHigh Performance at any Scale: TDengine is purpose-built for handling massive industrial...
» more
Typical application scenariosTDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...
» more
Market metricsTDengine has garnered over 22,500 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsTDengine OSS is an open source, cloud native time series database. It includes built-in...
» more
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More resources
AlaSQLatotiFatDBSpaceTimeTDengine
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