DBMS > MySQL vs. Oracle Berkeley DB vs. Trafodion
System Properties Comparison MySQL vs. Oracle Berkeley DB vs. Trafodion
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|Editorial information provided by DB-Engines|
|Name||MySQL Xexclude from comparison||Oracle Berkeley DB Xexclude from comparison||Trafodion Xexclude from comparison|
|Description||Widely used open source RDBMS||Widely used in-process key-value store||Transactional SQL-on-Hadoop DBMS|
|Primary database model||Relational DBMS Key/Value like access via memcached API||Key-value store supports sorted and unsorted key sets|
Native XML DBMS in the Oracle Berkeley DB XML version
|Secondary database models||Document store|
|Developer||Oracle since 2010, originally MySQL AB, then Sun||Oracle originally developed by Sleepycat, which was acquired by Oracle||Apache Software Foundation, originally developed by HP|
|Current release||8.0.32, January 2023||18.1.40, May 2020||2.3.0, February 2019|
|License Commercial or Open Source||Open Source GPL version 2. Commercial licenses with extended functionallity are available||Open Source commercial license available||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Implementation language||C and C++||C, Java, C++ (depending on the Berkeley DB edition)||C++, Java|
|Server operating systems||FreeBSD|
|Typing predefined data types such as float or date||yes||no||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.||yes||yes only with the Berkeley DB XML edition||no|
|SQL Support of SQL||yes with proprietary extensions||yes SQL interfaced based on SQLite is available||yes|
|APIs and other access methods||ADO.NET|
Proprietary native API
|Supported programming languages||Ada|
|.Net Figaro is a .Net framework assembly that extends Berkeley DB XML into an embeddable database engine for .NET|
others Third-party libraries to manipulate Berkeley DB files are available for many languages
|All languages supporting JDBC/ODBC/ADO.Net|
|Server-side scripts Stored procedures||yes proprietary syntax||no||Java Stored Procedures|
|Triggers||yes||yes only for the SQL API||no|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication|
|Source-replica replication||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||yes not for MyISAM storage engine||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID not for MyISAM storage engine||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes table locks or row locks depending on storage engine||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||yes||no|
|User concepts Access control||Users with fine-grained authorization concept no user groups or roles||no||fine grained access rights according to SQL-standard|
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|MySQL||Oracle Berkeley DB||Trafodion|
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