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DBMS > Impala

Impala System Properties

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Editorial information provided by DB-Engines
NameImpala
DescriptionAnalytic DBMS for Hadoop
Database modelRelational DBMS
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Score10.37
Rank#33  Overall
#20  Relational DBMS
Websitewww.cloudera.com/­content/­www/­en-us/­products/­apache-hadoop/­impala.html
Technical documentationwww.cloudera.com/­content/­www/­en-us/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperCloudera
Current release2.7.0
License Commercial or Open SourceOpen Source Apache Version 2
Cloud-based Only available as a cloud serviceno
Implementation languageC++
Server operating systemsLinux
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
Secondary indexesyes
SQL Support of (almost full) SQL standard (DML, DDL and DCL statements)no uses an SQL-like query language
APIs and other access methodsJDBC
ODBC
Supported programming languagesAll languages supporting JDBC/ODBC
Server-side scripts Stored proceduresyes user defined functions and integration of map-reduce
Triggersno
Partitioning methods Methods for storing different data on different nodesSharding
Replication methods Methods for redundantly storing data on multiple nodesselectable replication factor
MapReduce Offers an API for user-defined Map/Reduce methodsyes query execution via MapReduce
Consistency concepts Methods to ensure consistency in a distributed systemEventual Consistency
Foreign keys Referential integrityno
Transaction concepts Support to ensure data integrity after non-atomic manipulations of datano
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 controlAccess rights for users, groups and roles based on Apache Sentry and Kerberos

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More resources
Impala
Recent citations in the news

Cloudera plans to launch data science software, cloud services ...
14 March 2017, VentureBeat

6 takeaways from Cloudera's embrace of Spark | InfoWorld
25 September 2015, InfoWorld

Cloudera Impala bests 'DBMS-Y' analytical engine in benchmark bake-off, more
21 January 2014, TechTarget

RCE Podcast Looks at the Impala Project
20 April 2016, insideHPC

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

provided by Google News




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