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

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

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	EsgynDB  Xexclude from comparison	Hawkular Metrics  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	JavaScript DBMS library	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.	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Document store Relational DBMS	Relational DBMS	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.46 Rank #260   Overall #40   Document stores #121   Relational DBMS	Score 0.16 Rank #329   Overall #146   Relational DBMS	Score 0.00 Rank #379   Overall #40   Time Series DBMS
Website	alasql.org	www.esgyn.cn	www.hawkular.org	www.sap.com/products/advantage-database-server.html
Technical documentation	github.com/­AlaSQL/­alasql		www.hawkular.org/­hawkular-metrics/­docs/­user-guide
Developer	Andrey Gershun & Mathias R. Wulff	Esgyn	Community supported by Red Hat	Sybase, SAP
Initial release	2014	2015	2014	1993
License Commercial or Open Source	Open Source MIT-License	commercial	Open Source Apache 2.0	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
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Implementation language	JavaScript	C++, Java	Java
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	Linux	Linux OS X Windows	Linux Windows
Data scheme	schema-free	yes	schema-free	yes
Typing predefined data types such as float or date	no	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
Secondary indexes	no	yes	no	yes
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	yes	no	yes
APIs and other access methods	JavaScript API	ADO.NET JDBC ODBC	HTTP REST	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	JavaScript	All languages supporting JDBC/ODBC/ADO.Net	Go Java Python Ruby	Delphi Perl PHP
Server-side scripts Stored procedures	no	Java Stored Procedures	no	yes
Triggers	yes	no	yes via Hawkular Alerting	yes
Partitioning methods Methods for storing different data on different nodes	none	Sharding	Sharding based on Cassandra	none
Replication methods Methods for redundantly storing data on multiple nodes	none	Multi-source replication between multi datacenters	selectable replication factor based on Cassandra	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	yes	yes	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	ACID	no	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	no	no caching of (temporary) tables can be configured
User concepts Access control	no	fine grained access rights according to SQL-standard	no	fine grained access rights according to SQL-standard
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More resources
	AlaSQL	EsgynDB	Hawkular Metrics	SAP Advantage Database Server former name: Sybase ADS
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