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DBMS > IBM Db2 Event Store vs. openGemini vs. TempoIQ

System Properties Comparison IBM Db2 Event Store vs. openGemini vs. TempoIQ

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonopenGemini  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionDistributed Event Store optimized for Internet of Things use casesAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelEvent Store
Time Series DBMS
Time Series DBMSTime Series DBMS
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
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Websitewww.ibm.com/­products/­db2-event-storewww.opengemini.org
github.com/­openGemini
tempoiq.com (offline)
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storedocs.opengemini.org/­guide
DeveloperIBMHuawei and openGemini communityTempoIQ
Initial release201720222012
Current release2.01.1, July 2023
License infoCommercial or Open Sourcecommercial infofree developer edition availableOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++Go
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionLinux
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyes
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
Secondary indexesnoyes
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeSQL-like query languageno
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
HTTP RESTHTTP API
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
Rust
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresyesnono
Triggersnonoyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardAdministrators and common users accountssimple authentication-based access control

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More resources
IBM Db2 Event StoreopenGeminiTempoIQ infoformerly TempoDB
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