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DBMS > TerminusDB vs. VelocityDB vs. XAP

System Properties Comparison TerminusDB vs. VelocityDB vs. XAP

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Editorial information provided by DB-Engines
NameTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparisonXAP  Xexclude from comparison
DescriptionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)High performant in-memory data grid for mission critical applications. Insight Edge from the same company extends XAP for AI/ML support, BI and other interfaces
Primary database modelGraph DBMSGraph DBMS
Object oriented DBMS
Document store
Key-value store infoValues are user defined objects
Secondary database modelsDocument store
RDF store
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#342  Overall
#32  Graph DBMS
Score0.07
Rank#311  Overall
#30  Graph DBMS
#16  Object oriented DBMS
Score0.75
Rank#169  Overall
#24  Document stores
#29  Key-value stores
Websiteterminusdb.comvelocitydb.comwww.gigaspaces.com/­product/­xap
Technical documentationterminusdb.com/­docsvelocitydb.com/­UserGuidedocs.gigaspaces.com/­latest/­landing.html
DeveloperDataChemist Ltd.VelocityDB IncGigaspaces Technologies
Initial release201820112000
Current release1.0, 20187.x14.5.0, June 2019
License infoCommercial or Open SourceOpen Source infoGPL V3commercialOpen Source infoApache Version 2; Commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageProlog, RustC#Java, C++, .Net
Server operating systemsLinuxAny that supports .NETLinux
macOS
Solaris
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyes
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 infoXML can be used for describing objects metadata
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query language (WOQL)noSQL-like query language and DML statements
APIs and other access methodsOWL
RESTful HTTP API
WOQL (Web Object Query Language)
.NetGigaSpaces LRMI
Hibernate
JCache
JDBC
JPA
ODBC
RESTful HTTP API
Spring Data
Supported programming languagesJavaScript
Python
.Net.Net
C++
Java
Server-side scripts infoStored proceduresyesnoyes
TriggersyesCallbacks are triggered when data changesyes infoEvent Listeners
Partitioning methods infoMethods for storing different data on different nodesGraph PartitioningShardingSharding infoHash based
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling StreamsMaster-master replication infosynchronous or asynchronous
Master-slave replication infosynchronous or asynchronous
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoMap-Reduce pattern can be built with XAP task executors
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infoConsistency level configurable: ALL, QUORUM, ANY
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoin-memory journalingyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlRole-based access controlBased on Windows AuthenticationRole-based access control

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More resources
TerminusDB infoformer name was DataChemistVelocityDBXAP
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