DBMS > Atos Standard Common Repository vs. Kyligence Enterprise vs. Splunk vs. VelocityDB

System Properties Comparison Atos Standard Common Repository vs. Kyligence Enterprise vs. Splunk vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Kyligence Enterprise  Xexclude from comparison	Splunk  Xexclude from comparison	VelocityDB  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	A distributed analytics engine for big data, built on top of Apache Kylin	Analytics Platform for Big Data	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Document store Key-value store	Relational DBMS	Search engine	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.46 Rank #266   Overall #124   Relational DBMS	Score 89.10 Rank #14   Overall #2   Search engines	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	kyligence.io/­kyligence-enterprise	www.splunk.com	velocitydb.com
Technical documentation			docs.splunk.com/­Documentation/­Splunk	velocitydb.com/­UserGuide
Developer	Atos Convergence Creators	Kyligence, Inc.	Splunk Inc.	VelocityDB Inc
Initial release	2016	2016	2003	2011
Current release	1703			7.x
License Commercial or Open Source	commercial	commercial	commercial Limited free edition and free developer edition 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	Java	Java		C#
Server operating systems	Linux	Linux	Linux OS X Solaris Windows	Any that supports .NET
Data scheme	Schema and schema-less with LDAP views	yes	yes	yes
Typing predefined data types such as float or date	optional	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.	yes	no	yes	no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	ANSI SQL for queries (using Apache Calcite)	no Splunk Search Processing Language for search commands	no
APIs and other access methods	LDAP	JDBC ODBC RESTful HTTP API	HTTP REST	.Net
Supported programming languages	All languages with LDAP bindings		C# Java JavaScript PHP Python Ruby	.Net
Server-side scripts Stored procedures	no		yes	no
Triggers	yes		yes	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division		Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes		Multi-source replication
MapReduce Offers an API for user-defined Map/Reduce methods		yes	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency	Eventual Consistency	Immediate Consistency
Foreign keys Referential integrity	no		no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations		no A 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching	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.	yes	no	no	yes
User concepts Access control	LDAP bind authentication		Access rights for users and roles	Based on Windows Authentication
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More resources
	Atos Standard Common Repository	Kyligence Enterprise	Splunk	VelocityDB
DB-Engines blog posts			Enterprise Search Engines almost double their popularity in the last 12 months 2 July 2014, Paul Andlinger show all
Recent citations in the news		Kyligence Grows OLAP Business in the Cloud 20 February 2020, Datanami Kyligence adds ClickHouse OLAP engine to its analytics platform 10 August 2021, VentureBeat How Kyligence Cloud uses Amazon EMR Serverless to simplify OLAP | Amazon Web Services 9 November 2022, AWS Blog Distributed OLAPer Kyligence accelerates core engine, adds real-time data support – Blocks and Files 10 August 2021, Blocks and Files Analytics and Data Science News for the Week of April 14; Updates from Dataiku, Databricks, Power BI & More 14 April 2023, Solutions Review provided by Google News

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