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DBMS > gStore vs. H2 vs. SpaceTime vs. XTDB

System Properties Comparison gStore vs. H2 vs. SpaceTime vs. XTDB

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Editorial information provided by DB-Engines
NamegStore  Xexclude from comparisonH2  Xexclude from comparisonSpaceTime  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA native Graph DBMS to store and maintain very large RDF datasets.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.SpaceTime is a spatio-temporal DBMS with a focus on performance.A general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelGraph DBMS
RDF store
Relational DBMSSpatial DBMSDocument store
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.14
Rank#342  Overall
#34  Graph DBMS
#16  RDF stores
Score8.33
Rank#46  Overall
#30  Relational DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websiteen.gstore.cnwww.h2database.comwww.mireo.com/­spacetimegithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationen.gstore.cn/­#/­enDocswww.h2database.com/­html/­main.htmlwww.xtdb.com/­docs
DeveloperThomas MuellerMireoJuxt Ltd.
Initial release2016200520202019
Current release1.2, November 20232.2.220, July 20231.19, September 2021
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaC++Clojure
Server operating systemsLinuxAll OS with a Java VMLinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-free and OWL/RDFS-schema supportyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes, extensible-data-notation format
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 indexesyesnoyes
SQL infoSupport of SQLnoyesA subset of ANSI SQL is implementedlimited SQL, making use of Apache Calcite
APIs and other access methodsHTTP API
SPARQL 1.1
JDBC
ODBC
RESTful HTTP APIHTTP REST
JDBC
Supported programming languagesC++
Java
JavaScript (Node.js)
PHP
Python
JavaC#
C++
Python
Clojure
Java
Server-side scripts infoStored proceduresyesJava Stored Procedures and User-Defined Functionsnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneFixed-grid hypercubesnone
Replication methods infoMethods for redundantly storing data on multiple nodesWith clustering: 2 database servers on different computers operate on identical copies of a databaseReal-time block device replication (DRBD)yes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlUsers, roles and permissions, Role-Based Access Control (RBAC) supportedfine grained access rights according to SQL-standardyes

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