DBMS > Heroic vs. Percona Server for MongoDB vs. SAP Advantage Database Server vs. VelocityDB

System Properties Comparison Heroic vs. Percona Server for MongoDB vs. SAP Advantage Database Server vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Heroic  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	VelocityDB  Xexclude from comparison
			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearch	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.	Low-cost RDBMS with access to ISAM and FoxPro data structures	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Time Series DBMS	Document store	Relational DBMS	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.46 Rank #265   Overall #22   Time Series DBMS	Score 0.60 Rank #246   Overall #39   Document stores		Score 0.11 Rank #354   Overall #37   Graph DBMS #16   Object oriented DBMS
Website	github.com/­spotify/­heroic	www.percona.com/­mongodb/­software/­percona-server-for-mongodb	www.sap.com/products/advantage-database-server.html	velocitydb.com
Technical documentation	spotify.github.io/­heroic	docs.percona.com/­percona-distribution-for-mongodb		velocitydb.com/­UserGuide
Developer	Spotify	Percona	Sybase, SAP	VelocityDB Inc
Initial release	2014	2015	1993	2011
Current release		3.4.10-2.10, November 2017		7.x
License Commercial or Open Source	Open Source Apache 2.0	Open Source GPL Version 2	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	Java	C++		C#
Server operating systems		Linux	Linux Windows	Any that supports .NET
Data scheme	schema-free	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	no
Secondary indexes	yes via Elasticsearch	yes	yes	yes
SQL Support of SQL	no	no	yes	no
APIs and other access methods	HQL (Heroic Query Language, a JSON-based language) HTTP API	proprietary protocol using JSON	.NET Client API ADO.NET JDBC ODBC OLE DB	.Net
Supported programming languages		Actionscript C C# C++ Clojure ColdFusion D Dart Delphi Erlang Go Groovy Haskell Java JavaScript Lisp Lua MatLab Perl PHP PowerShell Prolog Python R Ruby Scala Smalltalk	Delphi Perl PHP	.Net
Server-side scripts Stored procedures	no	JavaScript	yes	no
Triggers	no	no	yes	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding	Sharding	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	Source-replica replication	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	Eventual Consistency Immediate Consistency	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	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	yes via In-Memory Engine	no caching of (temporary) tables can be configured	yes
User concepts Access control		Access rights for users and roles	fine grained access rights according to SQL-standard	Based on Windows Authentication
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More resources
	Heroic	Percona Server for MongoDB	SAP Advantage Database Server former name: Sybase ADS	VelocityDB
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