Immediate Consistency Immediate Consistency or Eventual Consistency depending on configuration Foreign keys Referential integrity yes no yes Transaction concepts Support to ensure data integrity after non-atomic manipulations of data ACID isolation level can be parameterized configurable ACID Concurrency Support for concurrent manipulation of data yes yes yes Durability Support for making data persistent yes yes optionally yes by means of logfiles and checkpoints In-memory capabilities Is there an option to define some or all structures to be held in-memory only. Source-replica replication MapReduce Offers an API for user-defined Map/Reduce methods no can be realized in PL/SQL no no Consistency concepts Methods to ensure consistency in a distributed system Immediate Consistency Eventual Consistency Source-replica replication yes, with selectable consistency level Multi-source replication PL/SQL Server-side scripts Stored procedures PL/SQL also stored procedures in Java possible no PL/SQL Triggers yes yes Live Events no Partitioning methods Methods for storing different data on different nodes Sharding, horizontal partitioning Sharding none Replication methods Methods for redundantly storing data on multiple nodes Multi-source replication Oracle Call Interface (OCI) Supported programming languages C yes no no Secondary indexes yes no yes SQL Support of SQL yes with proprietary extensions no yes APIs and other access methods JDBC support for XML data structures, and/or support for XPath, XQuery or XSLT. Windows Data scheme yes Schemaless in JSON and XML columns schema-free yes Typing predefined data types such as float or date yes yes yes XML support Some form of processing data in XML format, e.g. Implementation language C and C++ Java Server operating systems AIX Providers of DBaaS offerings, please contact us to be listed. Spatial DBMS with Oracle Spatial and Graph DB-Engines Ranking measures the popularity of database management systems Trend Chart Score 1256.01 Rank #1 Overall #1 Relational DBMS Score 2.79 Rank #122 Overall #23 Key-value stores Score 1.87 Rank #159 Overall #75 Relational DBMS Website Technical documentation /en/database /en/middleware/standalone/coherence /database/timesten-18.1 Developer Oracle Oracle Oracle, TimesTen Performance Software, HP originally founded in HP Labs it was acquired by Oracle in 2005 Initial release 1980 2007 1998 Current release 21c, January 2021 12c, September 2016 11 Release 2 (11.2.2.8.0) License Commercial or Open Source commercial restricted free version is available commercial commercial Cloud-based only Only available as a cloud service no no no DBaaS offerings (sponsored links) Database as a Service Editorial information provided by DB-Engines Name Oracle X exclude from comparison Oracle Coherence X exclude from comparison TimesTen X exclude from comparison Description Widely used RDBMS Oracles in-memory data grid solution In-Memory RDBMS compatible to Oracle Primary database model Relational DBMS Key-value store Relational DBMS Secondary database models Document store Please select another system to include it in the comparison. TimesTen System Properties Comparison Oracle vs.
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