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

System Properties Comparison EXASOL vs. IBM Db2 vs. LMDB 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 comparisonLMDB  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/LinuxA high performant, light-weight, embedded key-value database libraryColumnar 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 MongoDBKey-value storeRelational DBMS infocolumn-orientedRelational DBMS
Secondary database modelsDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.47
Rank#119  Overall
#57  Relational DBMS
Score127.75
Rank#8  Overall
#5  Relational DBMS
Score2.62
Rank#117  Overall
#21  Key-value stores
Score3.58
Rank#93  Overall
#48  Relational DBMS
Score125.38
Rank#9  Overall
#6  Relational DBMS
Websitewww.exasol.comwww.ibm.com/­products/­db2www.symas.com/­symas-embedded-database-lmdbwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.snowflake.com
Technical documentationwww.exasol.com/­resourceswww.ibm.com/­docs/­en/­db2www.lmdb.tech/­dochelp.sap.com/­docs/­SAP_IQdocs.snowflake.net/­manuals/­index.html
DeveloperExasolIBMSymasSAP, formerly SybaseSnowflake Computing Inc.
Initial release20001983 infohost version201119942014
Current release12.1, October 20160.9.32, January 202416.1 SPS04, April 2019
License infoCommercial or Open Sourcecommercialcommercial infofree version is availableOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
Unix
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 dateyesyesyesyes
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 indexesyesyesnoyes
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
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
C
C#
C++
Java
Perl
PHP
Python
Ruby
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsyesnoyesuser defined functions
Triggersyesyesnoyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoonly with Windows/Unix/Linux Versionnoneshared disk or shared nothing architectures with SAP IQ Multiplexeryes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)noneSAP/Sybase Replication Serveryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonoHadoop 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 dataACIDACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.yesyesnono
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardnofine 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 2LMDBSAP IQ infoformer name: Sybase IQSnowflake
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