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Teradata Aster System Properties

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Editorial information provided by DB-Engines
NameTeradata Aster
DescriptionPlatform for big data analytics on multistructured data sources and types
Database modelRelational DBMS
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Rank#81  Overall
#41  Relational DBMS
Technical documentationwww.info.teradata.com/­AsterData/­eBrowseBy.cfm?Page=AsterDatabase
Initial release2005
License Commercial or Open Sourcecommercial
Cloud-based Only available as a cloud serviceno
Server operating systemsLinux
Data schemeFlexible Schema (defined schema, partial schema, schema free) defined schema within the relational store; partial schema or schema free in the Aster File Store
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.yes in Aster File Store
Secondary indexesyes
SQL Support of (almost entire) SQL standard (DML, DDL and DCL statements)yes
APIs and other access methodsOLE DB
Supported programming languagesC
Server-side scripts Stored proceduresR packages
Partitioning methods Methods for storing different data on different nodesSharding
Replication methods Methods for redundantly storing data on multiple nodesyes Dimension tables are replicated across all nodes in the cluster. The number of replicas for the file store can be configured.
MapReduce Offers an API for user-defined Map/Reduce methodsyes SQL Map-Reduce Framework
Consistency concepts Methods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configuration
Foreign keys Referential integrityno
Transaction concepts Support to ensure data integrity after non-atomic manipulations of dataACID
Concurrency Support for concurrent manipulation of datayes
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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Teradata Aster
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