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Ingres System Properties

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Editorial information provided by DB-Engines
DescriptionWell established RDBMS
Database modelRelational DBMS
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Rank#45  Overall
#27  Relational DBMS
Technical documentationdocs.actian.com
DeveloperActian Corporation
Initial release1974 originally developed at University Berkely in early 1970s
Current release10.2, September 2014
License Commercial or Open Sourcecommercial
Cloud-based Only available as a cloud serviceno
Implementation languageC
Server operating systemsAIX
Data schemeyes
Typing predefined data types such as float or dateyes
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 but tools for importing/exporting data from/to XML-files available
Secondary indexesyes
SQL Support of (almost entire) SQL standard (DML, DDL and DCL statements)yes
APIs and other access methods.NET Client API
proprietary protocol (OpenAPI)
Server-side scripts Stored proceduresyes
Partitioning methods Methods for storing different data on different nodeshorizontal partitioning Ingres Star to access multiple databases simultaneously
Replication methods Methods for redundantly storing data on multiple nodesIngres Replicator
MapReduce Offers an API for user-defined Map/Reduce methodsno
Consistency concepts Methods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys Referential integrityyes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of dataACID
Concurrency Support for concurrent manipulation of datayes MVCC
Durability Support for making data persistentyes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.no
User concepts Access controlfine grained access rights according to SQL-standard

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