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DBMS > EXASOL vs. Graphite vs. IBM Db2 Event Store vs. Oracle Coherence vs. SAP IQ

System Properties Comparison EXASOL vs. Graphite vs. IBM Db2 Event Store vs. Oracle Coherence vs. SAP IQ

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonGraphite  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Data logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperDistributed Event Store optimized for Internet of Things use casesOracles in-memory data grid solutionColumnar RDBMS optimized for Big Data analytics
Primary database modelRelational DBMSTime Series DBMSEvent Store
Time Series DBMS
Key-value storeRelational DBMS infocolumn-oriented
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score4.57
Rank#73  Overall
#5  Time Series DBMS
Score0.19
Rank#323  Overall
#2  Event Stores
#28  Time Series DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.75
Rank#104  Overall
#53  Relational DBMS
Websitewww.exasol.comgithub.com/­graphite-project/­graphite-webwww.ibm.com/­products/­db2-event-storewww.oracle.com/­java/­coherencewww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.html
Technical documentationwww.exasol.com/­resourcesgraphite.readthedocs.iowww.ibm.com/­docs/­en/­db2-event-storedocs.oracle.com/­en/­middleware/­standalone/­coherencehelp.sap.com/­docs/­SAP_IQ
DeveloperExasolChris DavisIBMOracleSAP, formerly Sybase
Initial release20002006201720071994
Current release2.014.1, August 202316.1 SPS04, April 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial infofree developer edition availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePythonC and C++Java
Server operating systemsLinux
Unix
Linux infoLinux, macOS, Windows for the developer additionAll OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
Data schemeyesyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesNumeric data onlyyesyesyes
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.nonononono
Secondary indexesyesnononoyes
SQL infoSupport of SQLyesnoyes infothrough the embedded Spark runtimenoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API
Sockets
ADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
JCache
JPA
RESTful HTTP API
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languagesJava
Lua
Python
R
JavaScript (Node.js)
Python
C
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
.Net
C++
Java
C
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsnoyesnoyes
Triggersyesnonoyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingShardingshared disk or shared nothing architectures with SAP IQ Multiplexer
Replication methods infoMethods for redundantly storing data on multiple nodesnoneActive-active shard replicationyes, with selectable consistency levelSAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnononoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyes infolockingNo - written data is immutableyesyes
Durability infoSupport for making data persistentyesyesYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnofine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationfine grained access rights according to SQL-standard

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More resources
EXASOLGraphiteIBM Db2 Event StoreOracle CoherenceSAP IQ infoformer name: Sybase IQ
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