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DBMS > IBM Db2 Event Store vs. Memcached vs. SAP IQ vs. Transwarp KunDB

System Properties Comparison IBM Db2 Event Store vs. Memcached vs. SAP IQ vs. Transwarp KunDB

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Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonMemcached  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonTranswarp KunDB  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesIn-memory key-value store, originally intended for cachingColumnar RDBMS optimized for Big Data analyticsOLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database modelEvent Store
Time Series DBMS
Key-value storeRelational DBMS infocolumn-orientedRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#316  Overall
#2  Event Stores
#28  Time Series DBMS
Score20.74
Rank#32  Overall
#4  Key-value stores
Score3.27
Rank#96  Overall
#50  Relational DBMS
Score0.14
Rank#340  Overall
#148  Relational DBMS
Websitewww.ibm.com/­products/­db2-event-storewww.memcached.orgwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.transwarp.cn/­en/­product/­kundb
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storegithub.com/­memcached/­memcached/­wikihelp.sap.com/­docs/­SAP_IQ
DeveloperIBMDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSAP, formerly SybaseTranswarp
Initial release201720031994
Current release2.01.6.25, March 202416.1 SPS04, April 2019
License infoCommercial or Open Sourcecommercial infofree developer edition availableOpen Source infoBSD licensecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionFreeBSD
Linux
OS X
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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
Secondary indexesnonoyesyes
SQL infoSupport of SQLyes infothrough the embedded Spark runtimenoyesyes
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
Proprietary protocolADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnoyesyes
Triggersnonoyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneshared disk or shared nothing architectures with SAP IQ Multiplexerhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationnone infoRepcached, a Memcached patch, provides this functionallitySAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
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 storagenoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardyes

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More resources
IBM Db2 Event StoreMemcachedSAP IQ infoformer name: Sybase IQTranswarp KunDB
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