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DBMS > SpaceTime vs. SQL.JS vs. YottaDB

System Properties Comparison SpaceTime vs. SQL.JS vs. YottaDB

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Editorial information provided by DB-Engines
NameSpaceTime  Xexclude from comparisonSQL.JS  Xexclude from comparisonYottaDB  Xexclude from comparison
DescriptionSpaceTime is a spatio-temporal DBMS with a focus on performance.Port of SQLite to JavaScriptA fast and solid embedded Key-value store
Primary database modelSpatial DBMSRelational DBMSKey-value store
Secondary database modelsRelational DBMSRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.28
Rank#306  Overall
#44  Key-value stores
Websitewww.mireo.com/­spacetimesql.js.orgyottadb.com
Technical documentationsql.js.org/­documentation/­index.htmlyottadb.com/­resources/­documentation
DeveloperMireoAlon Zakai infoenhancements implemented by othersYottaDB, LLC
Initial release202020122001
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC
Server operating systemsLinuxserver-less, requires a JavaScript environment (browser, Node.js)Docker
Linux
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesnono
SQL infoSupport of SQLA subset of ANSI SQL is implementedyes infoSQL-92 is not fully supportedby using the Octo plugin
APIs and other access methodsRESTful HTTP APIJavaScript APIPostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesC#
C++
Python
JavaScriptC
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesFixed-grid hypercubesnone
Replication methods infoMethods for redundantly storing data on multiple nodesReal-time block device replication (DRBD)noneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlyesnoUsers and groups based on OS-security mechanisms

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More resources
SpaceTimeSQL.JSYottaDB
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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