DBMS > EJDB vs. Percona Server for MySQL vs. Transwarp KunDB vs. Transwarp StellarDB

System Properties Comparison EJDB vs. Percona Server for MySQL vs. Transwarp KunDB vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
Name	EJDB  Xexclude from comparison	Percona Server for MySQL  Xexclude from comparison	Transwarp KunDB  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison
Description	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	Enhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle	A distributed graph DBMS built for enterprise-level graph applications
Primary database model	Document store	Relational DBMS	Relational DBMS	Graph DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.31 Rank #296   Overall #44   Document stores	Score 2.10 Rank #119   Overall #57   Relational DBMS	Score 0.14 Rank #341   Overall #149   Relational DBMS	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	github.com/­Softmotions/­ejdb	www.percona.com/­software/­mysql-database/­percona-server	www.transwarp.cn/­en/­product/­kundb	www.transwarp.cn/­en/­product/­stellardb
Technical documentation	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	www.percona.com/­downloads/­Percona-Server-LATEST
Developer	Softmotions	Percona	Transwarp	Transwarp
Initial release	2012	2008
Current release		8.0.36-28, 2024
License Commercial or Open Source	Open Source GPLv2	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	C	C and C++
Server operating systems	server-less	Linux
Data scheme	schema-free	yes	yes
Typing predefined data types such as float or date	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
Secondary indexes	no	yes	yes
SQL Support of SQL	no	yes	yes	SQL-like query language
APIs and other access methods	in-process shared library	ADO.NET JDBC ODBC		OpenCypher
Supported programming languages	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	Ada C C# C++ D Eiffel Erlang Haskell Java Objective-C OCaml Perl PHP Python Ruby Scheme Tcl
Server-side scripts Stored procedures	no	yes	yes
Triggers	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	none		horizontal partitioning	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	none	Multi-source replication Source-replica replication XtraDB Cluster
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	Immediate Consistency
Foreign keys Referential integrity	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	no	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes Read/Write Locking	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
User concepts Access control	no	Users with fine-grained authorization concept no user groups or roles	yes	yes
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More resources
	EJDB	Percona Server for MySQL	Transwarp KunDB	Transwarp StellarDB
Recent citations in the news		Fusion-io Flash-Aware Compression Boosts Capacity for MySQL 31 May 2024, Data Center Knowledge Update or migrate? Planning for MySQL 5.7 EOL 22 June 2023, InfoWorld Sizing Up Servers: Intel's Skylake-SP Xeon versus AMD's EPYC 7000 - The Server CPU Battle of the Decade? 11 July 2017, AnandTech ScaleFlux computational storage makes Percona MySQL faster – Blocks and Files 5 August 2020, Blocks and Files How to deploy the Percona database performance monitor with Docker 24 February 2023, TechRepublic provided by Google News

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