DBMS > EJDB vs. FatDB
System Properties Comparison EJDB vs. FatDB
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|Editorial information provided by DB-Engines|
|Name||EJDB Xexclude from comparison||FatDB Xexclude from comparison|
|FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.|
|Description||Embeddable document-store database library with JSON representation of queries (in MongoDB style)||A .NET NoSQL DBMS that can integrate with and extend SQL Server.|
|Primary database model||Document store||Document store|
|License Commercial or Open Source||Open Source GPLv2||commercial|
|Cloud-based only Only available as a cloud service||no||no|
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|Server operating systems||server-less||Windows|
|Typing predefined data types such as float or date||yes string, integer, double, bool, date, object_id||yes|
|SQL Support of SQL||no||no Via inetgration in SQL Server|
|APIs and other access methods||in-process shared library||.NET Client API|
RESTful HTTP API
Windows WCF Bindings
|Supported programming languages||Actionscript|
|Server-side scripts Stored procedures||no||yes via applications|
|Triggers||no||yes via applications|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||selectable replication factor|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
|Foreign keys Referential integrity||no typically not needed, however similar functionality with collection joins possible||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||no|
|Concurrency Support for concurrent manipulation of data||yes Read/Write Locking||yes|
|Durability Support for making data persistent||yes||yes|
|User concepts Access control||no||no Can implement custom security layer via applications|
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