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DBMS > EJDB

EJDB System Properties

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Editorial information provided by DB-Engines
NameEJDB
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.12
Rank#254  Overall
#48  Document stores
Websiteejdb.org
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperSoftmotions
Initial release2012
License infoCommercial or Open SourceOpen Source infoGPLv2
Cloud-based infoOnly available as a cloud serviceno
Implementation languageC
Server operating systemsserver-less
Data schemeschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_id
Secondary indexesno
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)no
APIs and other access methodsin-process shared library
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Locking
Durability infoSupport for making data persistentyes
User concepts infoAccess controlno

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