DBMS > Realm vs. SpatiaLite vs. Trafodion
System Properties Comparison Realm vs. SpatiaLite vs. Trafodion
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|Editorial information provided by DB-Engines|
|Name||Realm Xexclude from comparison||SpatiaLite Xexclude from comparison||Trafodion Xexclude from comparison|
|Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.|
|Description||A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data||Spatial extension of SQLite||Transactional SQL-on-Hadoop DBMS|
|Primary database model||Document store||Spatial DBMS||Relational DBMS|
|Secondary database models||Relational DBMS|
|Developer||Realm, acquired by MongoDB in May 2019||Alessandro Furieri||Apache Software Foundation, originally developed by HP|
|Current release||5.0.0, August 2020||2.3.0, February 2019|
|License Commercial or Open Source||Open Source||Open Source MPL 1.1, GPL v2.0 or LGPL v2.1||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C++||C++, Java|
|Server operating systems||Android|
|Typing predefined data types such as float or date||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|
|SQL Support of SQL||no||yes||yes|
|APIs and other access methods||ADO.NET|
|Supported programming languages||.Net|
Java with Android only
|All languages supporting JDBC/ODBC/ADO.Net|
|Server-side scripts Stored procedures||no runs within the applications so server-side scripts are unnecessary||no||Java Stored Procedures|
|Triggers||yes Change Listeners||yes||no|
|Partitioning methods Methods for storing different data on different nodes||none||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||none||yes, via HBase|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes via user defined functions and HBase|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||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 In-Memory realm||yes||no|
|User concepts Access control||yes||no||fine grained access rights according to SQL-standard|
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