DBMS > Atos Standard Common Repository vs. EJDB vs. HyperSQL vs. Transwarp KunDB

System Properties Comparison Atos Standard Common Repository vs. EJDB vs. HyperSQL vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	EJDB  Xexclude from comparison	HyperSQL also known as HSQLDB  Xexclude from comparison	Transwarp KunDB  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	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Multithreaded, transactional RDBMS written in Java also known as HSQLDB	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database model	Document store Key-value store	Document store	Relational DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.31 Rank #296   Overall #44   Document stores	Score 3.23 Rank #93   Overall #48   Relational DBMS	Score 0.14 Rank #341   Overall #149   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	github.com/­Softmotions/­ejdb	hsqldb.org	www.transwarp.cn/­en/­product/­kundb
Technical documentation		github.com/­Softmotions/­ejdb/­blob/­master/­README.md	hsqldb.org/­web/­hsqlDocsFrame.html
Developer	Atos Convergence Creators	Softmotions		Transwarp
Initial release	2016	2012	2001
Current release	1703		2.7.2, June 2023
License Commercial or Open Source	commercial	Open Source GPLv2	Open Source based on BSD license	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	Java
Server operating systems	Linux	server-less	All OS with a Java VM Embedded (into Java applications) and Client-Server operating modes
Data scheme	Schema and schema-less with LDAP views	schema-free	yes	yes
Typing predefined data types such as float or date	optional	yes string, integer, double, bool, date, object_id	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
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	no	no	yes	yes
APIs and other access methods	LDAP	in-process shared library	HTTP API JDBC via HTTP JDBC ODBC
Supported programming languages	All languages with LDAP bindings	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	All languages supporting JDBC/ODBC Java
Server-side scripts Stored procedures	no	no	Java, SQL	yes
Triggers	yes	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	none	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	none	none
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration		Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no typically not needed, however similar functionality with collection joins possible	yes	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 Read/Write Locking	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		yes
User concepts Access control	LDAP bind authentication	no	fine grained access rights according to SQL-standard	yes
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More resources
	Atos Standard Common Repository	EJDB	HyperSQL also known as HSQLDB	Transwarp KunDB
Recent citations in the news			HyperSQL DataBase flaw leaves library vulnerable to RCE 24 October 2022, The Daily Swig Introduction to JDBC with HSQLDB tutorial 14 November 2022, TheServerSide.com provided by Google News

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