DBMS > OpenQM vs. Oracle Coherence vs. SAP Advantage Database Server vs. TempoIQ

System Properties Comparison OpenQM vs. Oracle Coherence vs. SAP Advantage Database Server vs. TempoIQ

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Editorial information provided by DB-Engines
Name	OpenQM also called QM  Xexclude from comparison	Oracle Coherence  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	TempoIQ formerly TempoDB  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.	TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
Description	QpenQM is a high-performance, self-tuning, multi-value DBMS	Oracles in-memory data grid solution	Low-cost RDBMS with access to ISAM and FoxPro data structures	Scalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database model	Multivalue DBMS	Key-value store	Relational DBMS	Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.34 Rank #284   Overall #10   Multivalue DBMS	Score 1.97 Rank #129   Overall #22   Key-value stores
Website	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	www.oracle.com/­java/­coherence	www.sap.com/products/advantage-database-server.html	tempoiq.com (offline)
Technical documentation		docs.oracle.com/­en/­middleware/­standalone/­coherence
Developer	Rocket Software, originally Martin Phillips	Oracle	Sybase, SAP	TempoIQ
Initial release	1993	2007	1993	2012
Current release	3.4-12	14.1, August 2023
License Commercial or Open Source	Open Source GPLv2, extended commercial license available	commercial	commercial	commercial
Cloud-based only Only available as a cloud service	no	no	no	yes
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java
Server operating systems	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	All OS with a Java VM	Linux Windows
Data scheme	yes with some exceptions	schema-free	yes	schema-free
Typing predefined data types such as float or date		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.	yes	no	no	no
Secondary indexes	yes	no	yes
SQL Support of SQL	no	no	yes	no
APIs and other access methods		JCache JPA RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	HTTP API
Supported programming languages	.Net Basic C Java Objective C PHP Python	.Net C++ Java	Delphi Perl PHP	C# Java JavaScript Node.js Python Ruby
Server-side scripts Stored procedures	yes	no	yes	no
Triggers	yes	yes Live Events	yes	yes Realtime Alerts
Partitioning methods Methods for storing different data on different nodes	yes	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes, with selectable consistency level	Multi-source replication CONFLICT Trigger to resolve replication conflicts 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	Immediate Consistency	Eventual Consistency Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	configurable	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes optionally	yes	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	no
User concepts Access control	Access rights can be defined down to the item level	authentification to access the cache via certificates or http basic authentication	fine grained access rights according to SQL-standard	simple authentication-based access control
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More resources
	OpenQM also called QM	Oracle Coherence	SAP Advantage Database Server former name: Sybase ADS	TempoIQ formerly TempoDB
Recent citations in the news		Create custom Event Compression Policies in Enterprise Manager to reduce event noise 21 September 2023, Oracle Microservices with Major New Coherence and Helidon Releases 9 August 2022, Oracle Nike achieves scalability and performance with Oracle Coherence & Exadata 20 December 2012, Oracle Use your Universal Credits with Oracle WebLogic Server for OKE 15 October 2020, Oracle Setting Up ODI Marketplace Agents in High Availability with ATP 24 July 2020, Oracle provided by Google News	SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News	Got big data? TempoIQ aims to point you to the insights in it - in the Chicago Tribune 10 July 2014, Built In Chicago No-Code Internet of Things Development Platform 29 October 2015, Automation World provided by Google News

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