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DBMS > IBM Db2 Event Store vs. OushuDB vs. Rockset vs. Transwarp StellarDB

System Properties Comparison IBM Db2 Event Store vs. OushuDB vs. Rockset vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonOushuDB  Xexclude from comparisonRockset  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningA scalable, reliable search and analytics service in the cloud, built on RocksDBA distributed graph DBMS built for enterprise-level graph applications
Primary database modelEvent Store
Time Series DBMS
Relational DBMSDocument storeGraph DBMS
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.19
Rank#323  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.04
Rank#363  Overall
#154  Relational DBMS
Score0.79
Rank#211  Overall
#35  Document stores
Score0.00
Rank#383  Overall
#39  Graph DBMS
Websitewww.ibm.com/­products/­db2-event-storewww.oushu.com/­product/­oushuDBrockset.comwww.transwarp.cn/­en/­product/­stellardb
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storewww.oushu.com/­documentationdocs.rockset.com
DeveloperIBMOushuRocksetTranswarp
Initial release20172019
Current release2.04.0.1, August 2020
License infoCommercial or Open Sourcecommercial infofree developer edition availablecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C++
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionLinuxhosted
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesdynamic typing
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.nono infoingestion from XML files supported
Secondary indexesnoyesall fields are automatically indexed
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeFull-featured ANSI SQL supportRead-only SQL queries, including JOINsSQL-like query language
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
JDBC
ODBC
HTTP RESTOpenCypher
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
C
C++
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyesyesno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyesAutomatic shardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyesyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlfine grained access rights according to SQL-standardKerberos, SSL and role based accessAccess rights for users and organizations can be defined via Rockset consoleyes

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More resources
IBM Db2 Event StoreOushuDBRocksetTranswarp StellarDB
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