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DBMS > FatDB vs. IBM Db2 Event Store vs. InterSystems Caché vs. Lovefield vs. SAP IQ

System Properties Comparison FatDB vs. IBM Db2 Event Store vs. InterSystems Caché vs. Lovefield vs. SAP IQ

Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonInterSystems Caché  Xexclude from comparisonLovefield  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.Caché is a deprecated database engine which is substituted with InterSystems IRIS. It therefore is removed from the DB-Engines Ranking.
DescriptionA .NET NoSQL DBMS that can integrate with and extend SQL Server.Distributed Event Store optimized for Internet of Things use casesA multi-model DBMS and application serverEmbeddable relational database for web apps written in pure JavaScriptColumnar RDBMS optimized for Big Data analytics
Primary database modelDocument store
Key-value store
Event Store
Time Series DBMS
Key-value store
Object oriented DBMS
Relational DBMS
Relational DBMSRelational DBMS infocolumn-oriented
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.19
Rank#323  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.29
Rank#293  Overall
#133  Relational DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Websitewww.ibm.com/­products/­db2-event-storewww.intersystems.com/­products/­cachegoogle.github.io/­lovefieldwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.html
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storedocs.intersystems.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdhelp.sap.com/­docs/­SAP_IQ
DeveloperFatCloudIBMInterSystemsGoogleSAP, formerly Sybase
Initial release20122017199720141994
Current release2.02018.1.4, May 20202.1.12, February 201716.1 SPS04, April 2019
License infoCommercial or Open Sourcecommercialcommercial infofree developer edition availablecommercialOpen Source infoApache 2.0commercial
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 languageC#C and C++JavaScript
Server operating systemsWindowsLinux infoLinux, macOS, Windows for the developer additionAIX
HP Open VMS
HP-UX
Linux
OS X
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesdepending on used data modelyesyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.noyesnono
Secondary indexesyesnoyesyesyes
SQL infoSupport of SQLno infoVia inetgration in SQL Serveryes infothrough the embedded Spark runtimeyesSQL-like query language infovia JavaScript builder patternyes
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
ADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
.NET Client API
JDBC
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC#C
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
C#
C++
Java
JavaScriptC
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyes infovia applicationsyesyesnoyes
Triggersyes infovia applicationsnoyesUsing read-only observersyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnonenoneshared disk or shared nothing architectures with SAP IQ Multiplexer
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorActive-active shard replicationSource-replica replicationnoneSAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesNo - written data is immutableyesyesyes
Durability infoSupport for making data persistentyesYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infousing MemoryDBno
User concepts infoAccess controlno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardAccess rights for users, groups and rolesnofine grained access rights according to SQL-standard

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More resources
FatDBIBM Db2 Event StoreInterSystems CachéLovefieldSAP IQ infoformer name: Sybase IQ
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