DBMS > EJDB vs. H2GIS vs. WakandaDB
System Properties Comparison EJDB vs. H2GIS vs. WakandaDB
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|Editorial information provided by DB-Engines|
|Name||EJDB Xexclude from comparison||H2GIS Xexclude from comparison||WakandaDB Xexclude from comparison|
|Primary database model||Document store||Spatial DBMS||Object oriented DBMS|
|Secondary database models||Relational DBMS|
|Current release||2.7.0 (April 29, 2019), April 2019|
|License Commercial or Open Source||Open Source GPLv2||Open Source LGPL 3.0||Open Source AGPLv3, extended commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||server-less||Linux|
|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.||no||no|
|SQL Support of SQL||no||yes||no|
|APIs and other access methods||in-process shared library||RESTful HTTP API|
|Supported programming languages||Actionscript|
|Server-side scripts Stored procedures||no||yes based on H2||yes|
|Partitioning methods Methods for storing different data on different nodes||none||none||none|
|Replication methods Methods for redundantly storing data on multiple nodes||none||yes based on H2||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||Immediate Consistency|
|Foreign keys Referential integrity||no typically not needed, however similar functionality with collection joins possible||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, multi-version concurrency control (MVCC)||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||no||yes based on H2||yes|
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