DBMS > Atos Standard Common Repository vs. Blueflood vs. Quasardb vs. SAP Advantage Database Server

System Properties Comparison Atos Standard Common Repository vs. Blueflood vs. Quasardb vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Blueflood  Xexclude from comparison	Quasardb  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.			SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	Scalable TimeSeries DBMS based on Cassandra	Distributed, high-performance timeseries database	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Document store Key-value store	Time Series DBMS	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.13 Rank #346   Overall #33   Time Series DBMS	Score 0.21 Rank #322   Overall #29   Time Series DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	blueflood.io	quasar.ai	www.sap.com/products/advantage-database-server.html
Technical documentation		github.com/­rax-maas/­blueflood/­wiki	doc.quasar.ai/­master
Developer	Atos Convergence Creators	Rackspace	quasardb	Sybase, SAP
Initial release	2016	2013	2009	1993
Current release	1703		3.14.1, January 2024
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses	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 OS X	BSD Linux OS X Windows	Linux Windows
Data scheme	Schema and schema-less with LDAP views	predefined scheme	schema-free	yes
Typing predefined data types such as float or date	optional	yes	yes integer and binary	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	no	no
Secondary indexes	yes	no	yes with tags	yes
SQL Support of SQL	no	no	SQL-like query language	yes
APIs and other access methods	LDAP	HTTP REST	HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	All languages with LDAP bindings		.Net C C# C++ Go Java JavaScript (Node.js) PHP Python R	Delphi Perl PHP
Server-side scripts Stored procedures	no	no	no	yes
Triggers	yes	no	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	Sharding based on Cassandra	Sharding consistent hashing	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	selectable replication factor based on Cassandra	Source-replica replication with selectable replication factor	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods		no	with Hadoop integration	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	no	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes by using LevelDB	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	yes Transient mode	no caching of (temporary) tables can be configured
User concepts Access control	LDAP bind authentication	no	Cryptographically strong user authentication and audit trail	fine grained access rights according to SQL-standard
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More resources
	Atos Standard Common Repository	Blueflood	Quasardb	SAP Advantage Database Server former name: Sybase ADS
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