DBMS > EJDB vs. Machbase Neo vs. Percona Server for MongoDB vs. SAP Advantage Database Server

System Properties Comparison EJDB vs. Machbase Neo vs. Percona Server for MongoDB vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
Name	EJDB  Xexclude from comparison	Machbase Neo Former name was Infiniflux  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	TimeSeries DBMS for AIoT and BigData	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Document store	Time Series DBMS	Document store	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.31 Rank #296   Overall #44   Document stores	Score 0.17 Rank #337   Overall #30   Time Series DBMS	Score 0.60 Rank #246   Overall #39   Document stores
Website	github.com/­Softmotions/­ejdb	machbase.com	www.percona.com/­mongodb/­software/­percona-server-for-mongodb	www.sap.com/products/advantage-database-server.html
Technical documentation	github.com/­Softmotions/­ejdb/­blob/­master/­README.md	machbase.com/­dbms	docs.percona.com/­percona-distribution-for-mongodb
Developer	Softmotions	Machbase	Percona	Sybase, SAP
Initial release	2012	2013	2015	1993
Current release		V8.0, August 2023	3.4.10-2.10, November 2017
License Commercial or Open Source	Open Source GPLv2	commercial free test version available	Open Source GPL Version 2	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
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Implementation language	C	C	C++
Server operating systems	server-less	Linux macOS Windows	Linux	Linux Windows
Data scheme	schema-free	yes	schema-free	yes
Typing predefined data types such as float or date	yes string, integer, double, bool, date, object_id	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
Secondary indexes	no	yes	yes	yes
SQL Support of SQL	no	SQL-like query language	no	yes
APIs and other access methods	in-process shared library	gRPC HTTP REST JDBC MQTT (Message Queue Telemetry Transport) ODBC	proprietary protocol using JSON	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	C C# C++ Go Java JavaScript PHP via ODBC Python R via ODBC Scala	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
Server-side scripts Stored procedures	no	no	JavaScript	yes
Triggers	no	no	no	yes
Partitioning methods Methods for storing different data on different nodes	none	Sharding	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	none	selectable replication factor	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	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system			Eventual Consistency Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no typically not needed, however similar functionality with collection joins possible	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes Read/Write Locking	yes	yes	yes
Durability Support for making data persistent	yes	no	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		yes volatile and lookup table	yes via In-Memory Engine	no caching of (temporary) tables can be configured
User concepts Access control	no	simple password-based access control	Access rights for users and roles	fine grained access rights according to SQL-standard
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More resources
	EJDB	Machbase Neo Former name was Infiniflux	Percona Server for MongoDB	SAP Advantage Database Server former name: Sybase ADS
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