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DBMS > IBM Db2 warehouse vs. Rockset vs. TerminusDB vs. Transwarp StellarDB vs. VelocityDB

System Properties Comparison IBM Db2 warehouse vs. Rockset vs. TerminusDB vs. Transwarp StellarDB vs. VelocityDB

Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonRockset  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionCloud-based data warehousing serviceA scalable, reliable search and analytics service in the cloud, built on RocksDBScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA distributed graph DBMS built for enterprise-level graph applicationsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSDocument storeGraph DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
Search engine
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score0.82
Rank#212  Overall
#36  Document stores
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.07
Rank#371  Overall
#39  Graph DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.ibm.com/­products/­db2/­warehouserockset.comterminusdb.comwww.transwarp.cn/­en/­product/­stellardbvelocitydb.com
Technical documentationdocs.rockset.comterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperIBMRocksetDataChemist Ltd.TranswarpVelocityDB Inc
Initial release2014201920182011
Current release11.0.0, January 20237.x
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPL V3commercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Prolog, RustC#
Server operating systemshostedhostedLinuxAny that supports .NET
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesdynamic typingyesyes
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.no infoImport/export of XML data possibleno infoingestion from XML files supportednono
Secondary indexesyesall fields are automatically indexedyes
SQL infoSupport of SQLyesRead-only SQL queries, including JOINsSQL-like query language (WOQL)SQL-like query languageno
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
HTTP RESTOWL
RESTful HTTP API
WOQL (Web Object Query Language)
OpenCypher.Net
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Go
Java
JavaScript (Node.js)
Python
JavaScript
Python
.Net
Server-side scripts infoStored proceduresPL/SQL, SQL PLnoyesno
TriggersyesnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingAutomatic shardingGraph Partitioninghorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes 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 controlfine grained access rights according to SQL-standardAccess rights for users and organizations can be defined via Rockset consoleRole-based access controlyesBased on Windows Authentication

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBRocksetTerminusDB infoformer name was DataChemistTranswarp StellarDBVelocityDB
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