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DBMS > JSqlDb vs. Oracle Rdb vs. SpaceTime vs. Yaacomo

System Properties Comparison JSqlDb vs. Oracle Rdb vs. SpaceTime vs. Yaacomo

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Editorial information provided by DB-Engines
NameJSqlDb  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSpaceTime  Xexclude from comparisonYaacomo  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionJavaScript Query Language Database, stores JavaScript objects and primitivesSpaceTime is a spatio-temporal DBMS with a focus on performance.OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelDocument store
Object oriented DBMS
Relational DBMSSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Websitejsqldb.org (offline)www.oracle.com/­database/­technologies/­related/­rdb.htmlwww.mireo.com/­spacetimeyaacomo.com
Technical documentationwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperKonrad von BackstromOracle, originally developed by Digital Equipment Corporation (DEC)MireoQ2WEB GmbH
Initial release2018198420202009
Current release0.8, December 20187.4.1.1, 2021
License infoCommercial or Open SourceOpen Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++
Server operating systemsLinux
macOS
Windows
HP Open VMSLinuxAndroid
Linux
Windows
Data schemeschema-freeFlexible Schema (defined schema, partial schema, schema free)yesyes
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.nononono
Secondary indexesnoyesnoyes
SQL infoSupport of SQLnoyesA subset of ANSI SQL is implementedyes
APIs and other access methodsRESTful HTTP APIJDBC
ODBC
Supported programming languagesJavaScriptC#
C++
Python
Server-side scripts infoStored proceduresfunctions in JavaScriptno
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneFixed-grid hypercubeshorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneReal-time block device replication (DRBD)Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes, on a single nodenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infousing RocksDByesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlyesfine grained access rights according to SQL-standard

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More resources
JSqlDbOracle RdbSpaceTimeYaacomo
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