DBMS > EsgynDB vs. Hawkular Metrics vs. openGemini vs. SAP Advantage Database Server

System Properties Comparison EsgynDB vs. Hawkular Metrics vs. openGemini vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
Name	EsgynDB  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	openGemini  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	Enterprise-class SQL-on-Hadoop solution, powered by Apache Trafodion	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS	Time Series DBMS	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.25 Rank #312   Overall #138   Relational DBMS	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.09 Rank #361   Overall #37   Time Series DBMS
Website	www.esgyn.cn	www.hawkular.org	www.opengemini.org github.com/­openGemini	www.sap.com/products/advantage-database-server.html
Technical documentation		www.hawkular.org/­hawkular-metrics/­docs/­user-guide	docs.opengemini.org/­guide
Developer	Esgyn	Community supported by Red Hat	Huawei and openGemini community	Sybase, SAP
Initial release	2015	2014	2022	1993
Current release			1.1, July 2023
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source Apache Version 2.0	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	C++, Java	Java	Go
Server operating systems	Linux	Linux OS X Windows	Linux Windows	Linux Windows
Data scheme	yes	schema-free	schema-free	yes
Typing predefined data types such as float or date	yes	yes	Integer, Float, Boolean, String	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	yes	no	yes	yes
SQL Support of SQL	yes	no	SQL-like query language	yes
APIs and other access methods	ADO.NET JDBC ODBC	HTTP REST	HTTP REST	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	All languages supporting JDBC/ODBC/ADO.Net	Go Java Python Ruby	C C++ Go Java JavaScript (Node.js) Python Rust	Delphi Perl PHP
Server-side scripts Stored procedures	Java Stored Procedures	no	no	yes
Triggers	no	yes via Hawkular Alerting	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding	Sharding based on Cassandra	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	Multi-source replication between multi datacenters	selectable replication factor based on Cassandra	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra		Immediate Consistency
Foreign keys Referential integrity	yes	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	yes	no caching of (temporary) tables can be configured
User concepts Access control	fine grained access rights according to SQL-standard	no	Administrators and common users accounts	fine grained access rights according to SQL-standard
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More resources
	EsgynDB	Hawkular Metrics	openGemini	SAP Advantage Database Server former name: Sybase ADS
Recent citations in the news		Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News	About HUAWEI Open Source 9 February 2022, Huawei 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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