DBMS > Lovefield vs. Oracle Coherence vs. SAP Advantage Database Server vs. Stardog

System Properties Comparison Lovefield vs. Oracle Coherence vs. SAP Advantage Database Server vs. Stardog

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Editorial information provided by DB-Engines
Name	Lovefield  Xexclude from comparison	Oracle Coherence  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Stardog  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Embeddable relational database for web apps written in pure JavaScript	Oracles in-memory data grid solution	Low-cost RDBMS with access to ISAM and FoxPro data structures	Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database model	Relational DBMS	Key-value store	Relational DBMS	Graph DBMS RDF store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 1.97 Rank #129   Overall #22   Key-value stores		Score 2.07 Rank #122   Overall #11   Graph DBMS #6   RDF stores
Website	google.github.io/­lovefield	www.oracle.com/­java/­coherence	www.sap.com/products/advantage-database-server.html	www.stardog.com
Technical documentation	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	docs.oracle.com/­en/­middleware/­standalone/­coherence		docs.stardog.com
Developer	Google	Oracle	Sybase, SAP	Stardog-Union
Initial release	2014	2007	1993	2010
Current release	2.1.12, February 2017	14.1, August 2023		7.3.0, May 2020
License Commercial or Open Source	Open Source Apache 2.0	commercial	commercial	commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
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	JavaScript	Java		Java
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	All OS with a Java VM	Linux Windows	Linux macOS Windows
Data scheme	yes	schema-free	yes	schema-free and OWL/RDFS-schema support
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 Import/export of XML data possible
Secondary indexes	yes	no	yes	yes supports real-time indexing in full-text and geospatial
SQL Support of SQL	SQL-like query language via JavaScript builder pattern	no	yes	Yes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methods		JCache JPA RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	GraphQL query language HTTP API Jena RDF API OWL RDF4J API Sesame REST HTTP Protocol SNARL SPARQL Spring Data Stardog Studio TinkerPop 3
Supported programming languages	JavaScript	.Net C++ Java	Delphi Perl PHP	.Net Clojure Groovy Java JavaScript Python Ruby
Server-side scripts Stored procedures	no	no	yes	user defined functions and aggregates, HTTP Server extensions in Java
Triggers	Using read-only observers	yes Live Events	yes	yes via event handlers
Partitioning methods Methods for storing different data on different nodes	none	Sharding	none	none
Replication methods Methods for redundantly storing data on multiple nodes	none	yes, with selectable consistency level	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	Multi-source replication in HA-Cluster
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 in HA-Cluster
Foreign keys Referential integrity	yes	no	yes	yes relationships in graphs
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	configurable	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes optionally	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes using MemoryDB	yes	no caching of (temporary) tables can be configured	yes
User concepts Access control	no	authentification to access the cache via certificates or http basic authentication	fine grained access rights according to SQL-standard	Access rights for users and roles
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More resources
	Lovefield	Oracle Coherence	SAP Advantage Database Server former name: Sybase ADS	Stardog
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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