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DBMS > EJDB vs. PostGIS vs. Trafodion

System Properties Comparison EJDB vs. PostGIS vs. Trafodion

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonPostGIS  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Spatial extension of PostgreSQLTransactional SQL-on-Hadoop DBMS
Primary database modelDocument storeSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.30
Rank#294  Overall
#44  Document stores
Score23.90
Rank#29  Overall
#1  Spatial DBMS
Websitegithub.com/­Softmotions/­ejdbpostgis.nettrafodion.apache.org
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdpostgis.net/­documentationtrafodion.apache.org/­documentation.html
DeveloperSoftmotionsApache Software Foundation, originally developed by HP
Initial release201220052014
Current release3.4.2, February 20242.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoGPL v2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCCC++, Java
Server operating systemsserver-lessLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yesno
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesyes
APIs and other access methodsin-process shared libraryADO.NET
JDBC
ODBC
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnouser defined functionsJava Stored Procedures
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyes infobased on PostgreSQLSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infobased on PostgreSQLyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnoyes infobased on PostgreSQLfine grained access rights according to SQL-standard

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More resources
EJDBPostGISTrafodion
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