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DBMS > EXASOL vs. IBM Db2 vs. RethinkDB vs. SAP IQ vs. Snowflake

System Properties Comparison EXASOL vs. IBM Db2 vs. RethinkDB vs. SAP IQ vs. Snowflake

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonRethinkDB  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Common in IBM host environments, 2 different versions for host and Windows/LinuxDBMS for the Web with a mechanism to push updated query results to applications in realtime.Columnar RDBMS optimized for Big Data analyticsCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBDocument storeRelational DBMS infocolumn-orientedRelational DBMS
Secondary database modelsDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score128.46
Rank#8  Overall
#5  Relational DBMS
Score2.74
Rank#105  Overall
#19  Document stores
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score121.33
Rank#9  Overall
#6  Relational DBMS
Websitewww.exasol.comwww.ibm.com/­products/­db2rethinkdb.comwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.snowflake.com
Technical documentationwww.exasol.com/­resourceswww.ibm.com/­docs/­en/­db2rethinkdb.com/­docshelp.sap.com/­docs/­SAP_IQdocs.snowflake.net/­manuals/­index.html
DeveloperExasolIBMThe Linux Foundation infosince July 2017SAP, formerly SybaseSnowflake Computing Inc.
Initial release20001983 infohost version200919942014
Current release12.1, October 20162.4.1, August 202016.1 SPS04, April 2019
License infoCommercial or Open Sourcecommercialcommercial infofree version is availableOpen Source infoApache Version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
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 systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
hosted
Data schemeyesyesschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyes infostring, binary, float, bool, date, geometryyesyes
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.nononoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesyesnoyesyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
ADO.NET
JDBC
ODBC
RESTful HTTP API
CLI Client
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C
C#
C++
Java
Perl
PHP
Python
Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsyesyesuser defined functions
TriggersyesyesClient-side triggers through changefeedsyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoonly with Windows/Unix/Linux VersionSharding inforange basedshared disk or shared nothing architectures with SAP IQ Multiplexeryes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Source-replica replicationSAP/Sybase Replication Serveryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnoyesHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDAtomic single-document operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC basedyesyes
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 controlAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardyes infousers and table-level permissionsfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
EXASOLIBM Db2 infoformerly named DB2 or IBM Database 2RethinkDBSAP IQ infoformer name: Sybase IQSnowflake
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