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DBMS > IBM Db2 Event Store vs. NuoDB vs. Oracle Coherence vs. PostgreSQL vs. SAP SQL Anywhere

System Properties Comparison IBM Db2 Event Store vs. NuoDB vs. Oracle Coherence vs. PostgreSQL vs. SAP SQL Anywhere

Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonNuoDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPostgreSQL  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesNuoDB is a webscale distributed database that supports SQL and ACID transactionsOracles in-memory data grid solutionWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelEvent Store
Time Series DBMS
Relational DBMSKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Relational DBMS
Secondary database modelsDocument store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#315  Overall
#2  Event Stores
#26  Time Series DBMS
Score0.87
Rank#201  Overall
#94  Relational DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score644.36
Rank#4  Overall
#4  Relational DBMS
Score3.50
Rank#81  Overall
#44  Relational DBMS
Websitewww.ibm.com/­products/­db2-event-storewww.3ds.com/­nuodb-distributed-sql-databasewww.oracle.com/­java/­coherencewww.postgresql.orgwww.sap.com/­products/­technology-platform/­sql-anywhere.html
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storedoc.nuodb.comdocs.oracle.com/­en/­middleware/­standalone/­coherencewww.postgresql.org/­docshelp.sap.com/­docs/­SAP_SQL_Anywhere
DeveloperIBMDassault Systèmes infooriginally NuoDB, Inc.OraclePostgreSQL Global Development Group infowww.postgresql.org/­developerSAP infoformerly Sybase
Initial release2017201320071989 info1989: Postgres, 1996: PostgreSQL1992
Current release2.014.1, August 202316.4, August 202417, July 2015
License infoCommercial or Open Sourcecommercial infofree developer edition availablecommercial infolimited edition freecommercialOpen Source infoBSDcommercial
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.
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Implementation languageC and C++C++JavaC
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionhosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
All OS with a Java VMFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesyesschema-freeyesyes
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.nononoyes infospecific XML-type available, but no XML query functionality.yes
Secondary indexesnoyesnoyesyes
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeyesnoyes infostandard with numerous extensionsyes
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
ADO.NET
HTTP API
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesJava, SQLnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes, in C/C++, Java, .Net or Perl
Triggersnoyesyes infoLive Eventsyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingdata is dynamically stored/cached on the nodes where it is read/writtenShardingpartitioning by range, list and (since PostgreSQL 11) by hashnone
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes infoManaged transparently by NuoDByes, with selectable consistency levelSource-replica replication infoother methods possible by using 3rd party extensionsSource-replica replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infotunable commit protocolconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyes infoMVCCyesyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tableyesnoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardStandard SQL roles/ privileges, Administrative Usersauthentification to access the cache via certificates or http basic authenticationfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
IBM Db2 Event StoreNuoDBOracle CoherencePostgreSQLSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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