DBMS > Oracle Coherence vs. SAP Advantage Database Server vs. TimesTen vs. Yaacomo

System Properties Comparison Oracle Coherence vs. SAP Advantage Database Server vs. TimesTen vs. Yaacomo

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Editorial information provided by DB-Engines
Name	Oracle Coherence  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	TimesTen  Xexclude from comparison	Yaacomo  Xexclude from comparison
		SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.		Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
Description	Oracles in-memory data grid solution	Low-cost RDBMS with access to ISAM and FoxPro data structures	In-Memory RDBMS compatible to Oracle	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Key-value store	Relational DBMS	Relational DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.97 Rank #129   Overall #22   Key-value stores		Score 1.36 Rank #161   Overall #75   Relational DBMS
Website	www.oracle.com/­java/­coherence	www.sap.com/products/advantage-database-server.html	www.oracle.com/­database/­technologies/­related/­timesten.html	yaacomo.com
Technical documentation	docs.oracle.com/­en/­middleware/­standalone/­coherence		docs.oracle.com/­database/­timesten-18.1
Developer	Oracle	Sybase, SAP	Oracle, TimesTen Performance Software, HP originally founded in HP Labs it was acquired by Oracle in 2005	Q2WEB GmbH
Initial release	2007	1993	1998	2009
Current release	14.1, August 2023		11 Release 2 (11.2.2.8.0)
License Commercial or Open Source	commercial	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java
Server operating systems	All OS with a Java VM	Linux Windows	AIX HP-UX Linux OS X Solaris SPARC/x86 Windows	Android Linux Windows
Data scheme	schema-free	yes	yes	yes
Typing predefined data types such as float or date	yes	yes	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	no	no
Secondary indexes	no	yes	yes	yes
SQL Support of SQL	no	yes	yes	yes
APIs and other access methods	JCache JPA RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	JDBC ODBC ODP.NET Oracle Call Interface (OCI)	JDBC ODBC
Supported programming languages	.Net C++ Java	Delphi Perl PHP	C C++ Java PL/SQL
Server-side scripts Stored procedures	no	yes	PL/SQL
Triggers	yes Live Events	yes	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding	none	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes, with selectable consistency level	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	Multi-source replication Source-replica replication	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency
Foreign keys Referential integrity	no	yes	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	configurable	ACID	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes optionally	yes	yes by means of logfiles and checkpoints	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no caching of (temporary) tables can be configured	yes	yes
User concepts Access control	authentification to access the cache via certificates or http basic authentication	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard
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More resources
	Oracle Coherence	SAP Advantage Database Server former name: Sybase ADS	TimesTen	Yaacomo
Recent citations in the news	Create custom Event Compression Policies in Enterprise Manager to reduce event noise 21 September 2023, blogs.oracle.com Microservices with Major New Coherence and Helidon Releases 9 August 2022, blogs.oracle.com Turkcell: Processing 70 million messages per day with Coherence and WebLogic 4 January 2013, blogs.oracle.com Nike achieves scalability and performance with Oracle Coherence & Exadata 20 December 2012, blogs.oracle.com Oracle releases free open source Oracle Coherence community edition 28 June 2020, iTWire provided by Google News	SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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