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DBMS > JSqlDb vs. LeanXcale vs. Sadas Engine vs. SpaceTime vs. ToroDB

System Properties Comparison JSqlDb vs. LeanXcale vs. Sadas Engine vs. SpaceTime vs. ToroDB

Editorial information provided by DB-Engines
NameJSqlDb  Xexclude from comparisonLeanXcale  Xexclude from comparisonSadas Engine  Xexclude from comparisonSpaceTime  Xexclude from comparisonToroDB  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionJavaScript Query Language Database, stores JavaScript objects and primitivesA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesSADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environmentsSpaceTime is a spatio-temporal DBMS with a focus on performance.A MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelDocument store
Object oriented DBMS
Key-value store
Relational DBMS
Relational DBMSSpatial DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#291  Overall
#41  Key-value stores
#132  Relational DBMS
Score0.00
Rank#383  Overall
#158  Relational DBMS
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Websitejsqldb.org (offline)www.leanxcale.comwww.sadasengine.comwww.mireo.com/­spacetimegithub.com/­torodb/­server
Technical documentationwww.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
DeveloperKonrad von BackstromLeanXcaleSADAS s.r.l.Mireo8Kdata
Initial release20182015200620202016
Current release0.8, December 20188.0
License infoCommercial or Open SourceOpen Sourcecommercialcommercial infofree trial version availablecommercialOpen Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++Java
Server operating systemsLinux
macOS
Windows
AIX
Linux
Windows
LinuxAll OS with a Java 7 VM
Data schemeschema-freeyesyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesyes infostring, integer, double, boolean, date, object_id
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 indexesnoyesno
SQL infoSupport of SQLnoyes infothrough Apache DerbyyesA subset of ANSI SQL is implemented
APIs and other access methodsJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
JDBC
ODBC
Proprietary protocol
RESTful HTTP API
Supported programming languagesJavaScriptC
Java
Scala
.Net
C
C#
C++
Groovy
Java
PHP
Python
C#
C++
Python
Server-side scripts infoStored proceduresfunctions in JavaScriptnono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneReal-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 ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing RocksDByesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infomanaged by 'Learn by Usage'no
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardyesAccess rights for users and roles

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