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

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

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Editorial information provided by DB-Engines
Name	EventStoreDB  Xexclude from comparison	Lovefield  Xexclude from comparison	Oracle Coherence  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Industrial-strength, open-source database solution built from the ground up for event sourcing.	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
Primary database model	Event Store	Relational DBMS	Key-value store	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.19 Rank #173   Overall #1   Event Stores	Score 0.33 Rank #286   Overall #131   Relational DBMS	Score 1.97 Rank #129   Overall #22   Key-value stores
Website	www.eventstore.com	google.github.io/­lovefield	www.oracle.com/­java/­coherence	www.sap.com/products/advantage-database-server.html
Technical documentation	developers.eventstore.com	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	docs.oracle.com/­en/­middleware/­standalone/­coherence
Developer	Event Store Limited	Google	Oracle	Sybase, SAP
Initial release	2012	2014	2007	1993
Current release	21.2, February 2021	2.1.12, February 2017	14.1, August 2023
License Commercial or Open Source	Open Source	Open Source Apache 2.0	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		JavaScript	Java
Server operating systems	Linux Windows	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	All OS with a Java VM	Linux Windows
Data scheme		yes	schema-free	yes
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.		no	no	no
Secondary indexes		yes	no	yes
SQL Support of SQL		SQL-like query language via JavaScript builder pattern	no	yes
APIs and other access methods			JCache JPA RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages		JavaScript	.Net C++ Java	Delphi Perl PHP
Server-side scripts Stored procedures		no	no	yes
Triggers		Using read-only observers	yes Live Events	yes
Partitioning methods Methods for storing different data on different nodes		none	Sharding	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
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system			Eventual Consistency Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity		yes	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data		ACID	configurable	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent		yes, by using IndexedDB or the cloud service Firebase Realtime Database	yes optionally	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
User concepts Access control		no	authentification to access the cache via certificates or http basic authentication	fine grained access rights according to SQL-standard
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More resources
	EventStoreDB	Lovefield	Oracle Coherence	SAP Advantage Database Server former name: Sybase ADS
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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