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DBMS > EJDB vs. EXASOL vs. IRONdb vs. SAP IQ vs. SiteWhere

System Properties Comparison EJDB vs. EXASOL vs. IRONdb vs. SAP IQ vs. SiteWhere

Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonEXASOL  Xexclude from comparisonIRONdb  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonSiteWhere  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)High-performance, in-memory, MPP database specifically designed for in-memory analytics.A distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityColumnar RDBMS optimized for Big Data analyticsM2M integration platform for persisting/querying time series data
Primary database modelDocument storeRelational DBMSTime Series DBMSRelational DBMS infocolumn-orientedTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Websitegithub.com/­Softmotions/­ejdbwww.exasol.comwww.circonus.com/solutions/time-series-database/www.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlgithub.com/­sitewhere/­sitewhere
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdwww.exasol.com/­resourcesdocs.circonus.com/irondb/category/getting-startedhelp.sap.com/­docs/­SAP_IQsitewhere1.sitewhere.io/­index.html
DeveloperSoftmotionsExasolCirconus LLC.SAP, formerly SybaseSiteWhere
Initial release20122000201719942010
Current releaseV0.10.20, January 201816.1 SPS04, April 2019
License infoCommercial or Open SourceOpen Source infoGPLv2commercialcommercialcommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC and C++Java
Server operating systemsserver-lessLinuxAIX
HP-UX
Linux
Solaris
Windows
Linux
OS X
Windows
Data schemeschema-freeyesschema-freeyespredefined scheme
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyes infotext, numeric, histogramsyesyes
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.nononono
Secondary indexesnoyesnoyesno
SQL infoSupport of SQLnoyesSQL-like query language (Circonus Analytics Query Language: CAQL)yesno
APIs and other access methodsin-process shared library.Net
JDBC
ODBC
WebSocket
HTTP APIADO.NET
JDBC
ODBC
RESTful HTTP API
HTTP REST
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
Lua
Python
R
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnouser defined functionsyes, in Luayes
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingAutomatic, metric affinity per nodeshared disk or shared nothing architectures with SAP IQ MultiplexerSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneconfigurable replication factor, datacenter awareSAP/Sybase Replication Serverselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonono
User concepts infoAccess controlnoAccess rights for users, groups and roles according to SQL-standardnofine grained access rights according to SQL-standardUsers with fine-grained authorization concept

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More resources
EJDBEXASOLIRONdbSAP IQ infoformer name: Sybase IQSiteWhere
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