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DBMS > Citus vs. IBM Db2 vs. OpenMLDB vs. Pinecone

System Properties Comparison Citus vs. IBM Db2 vs. OpenMLDB vs. Pinecone

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Editorial information provided by DB-Engines
NameCitus  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonOpenMLDB  Xexclude from comparisonPinecone  Xexclude from comparison
DescriptionScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLCommon in IBM host environments, 2 different versions for host and Windows/LinuxAn open-source machine learning database that provides a feature platform for training and inferenceA managed, cloud-native vector database
Primary database modelRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBTime Series DBMSVector DBMS
Secondary database modelsDocument storeDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.15
Rank#117  Overall
#56  Relational DBMS
Score125.90
Rank#9  Overall
#6  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score3.23
Rank#92  Overall
#3  Vector DBMS
Websitewww.citusdata.comwww.ibm.com/­products/­db2openmldb.aiwww.pinecone.io
Technical documentationdocs.citusdata.comwww.ibm.com/­docs/­en/­db2openmldb.ai/­docs/­zh/­maindocs.pinecone.io/­docs/­overview
DeveloperIBM4 Paradigm Inc.Pinecone Systems, Inc
Initial release20101983 infohost version20202019
Current release8.1, December 201812.1, October 20162024-2 February 2024
License infoCommercial or Open SourceOpen Source infoAGPL, commercial license also availablecommercial infofree version is availableOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and C++C++, Java, Scala
Server operating systemsLinuxAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linuxhosted
Data schemeyesyesFixed schema
Typing infopredefined data types such as float or dateyesyesyesString, Number, Boolean
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.yes infospecific XML type available, but no XML query functionalitynono
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infostandard, with numerous extensionsyesyesno
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
JDBC
SQLAlchemy
RESTful HTTP API
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C++
Go
Java
Python
Scala
Python
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yesno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoonly with Windows/Unix/Linux Versionhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsyes infowith separate tools (MQ, InfoSphere)Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
CitusIBM Db2 infoformerly named DB2 or IBM Database 2OpenMLDBPinecone
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