DBMS > EsgynDB vs. Hawkular Metrics vs. IBM Db2 vs. SAP Advantage Database Server

System Properties Comparison EsgynDB vs. Hawkular Metrics vs. IBM Db2 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	IBM Db2 formerly named DB2 or IBM Database 2  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.	Common in IBM host environments, 2 different versions for host and Windows/Linux	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS	Time Series DBMS	Relational DBMS Since Version 10.5 support for JSON/BSON documents compatible with MongoDB	Relational DBMS
Secondary database models			Document store RDF store in Db2 LUW (Linux, Unix, Windows) Spatial DBMS with Db2 Spatial Extender
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 125.90 Rank #9   Overall #6   Relational DBMS
Website	www.esgyn.cn	www.hawkular.org	www.ibm.com/­products/­db2	www.sap.com/products/advantage-database-server.html
Technical documentation		www.hawkular.org/­hawkular-metrics/­docs/­user-guide	www.ibm.com/­docs/­en/­db2
Developer	Esgyn	Community supported by Red Hat	IBM	Sybase, SAP
Initial release	2015	2014	1983 host version	1993
Current release			12.1, October 2016
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial free version is available	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	C and C++
Server operating systems	Linux	Linux OS X Windows	AIX HP-UX Linux Solaris Windows z/OS	Linux Windows
Data scheme	yes	schema-free	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
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	yes	no	yes	yes
APIs and other access methods	ADO.NET JDBC ODBC	HTTP REST	ADO.NET JDBC JSON style queries MongoDB compatible ODBC XQuery	.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# C++ Cobol Delphi Fortran Java Perl PHP Python Ruby Visual Basic	Delphi Perl PHP
Server-side scripts Stored procedures	Java Stored Procedures	no	yes	yes
Triggers	no	yes via Hawkular Alerting	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding	Sharding based on Cassandra	Sharding only with Windows/Unix/Linux Version	none
Replication methods Methods for redundantly storing data on multiple nodes	Multi-source replication between multi datacenters	selectable replication factor based on Cassandra	yes with separate tools (MQ, InfoSphere)	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	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	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		no caching of (temporary) tables can be configured
User concepts Access control	fine grained access rights according to SQL-standard	no	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard
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More resources
	EsgynDB	Hawkular Metrics	IBM Db2 formerly named DB2 or IBM Database 2	SAP Advantage Database Server former name: Sybase ADS
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