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DBMS > EXASOL vs. Impala

System Properties Comparison EXASOL vs. Impala

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonImpala  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Analytic DBMS for Hadoop
Primary database modelRelational DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.53
Rank#93  Overall
#47  Relational DBMS
Score15.66
Rank#37  Overall
#22  Relational DBMS
Websitewww.exasol.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationwww.exasol.com/­en/­resourcesdocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperExasolCloudera
Initial release20002013
Current release3.3.0, August 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++
Server operating systemsLinux
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesyesyes
SQL infoSupport of SQLyesSQL-like DML and DDL statements
APIs and other access methods.Net
JDBC
ODBC
WebSocket
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
All languages supporting JDBC/ODBC
Server-side scripts infoStored proceduresuser defined functionsyes infouser defined functions and integration of map-reduce
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyes infoquery execution via MapReduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardAccess rights for users, groups and roles infobased on Apache Sentry and Kerberos

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More resources
EXASOLImpala
Recent citations in the news

Exasol and Pyramid Analytics Join Forces to Put the End-User Experience Front and Center
1 October 2020, Business Wire

Exasol dominates its peer groups in BARC Data Management Survey 2020
24 September 2020, Business Wire

Stale Data Has No Smell — But Still Leaves A Bad Taste
1 October 2020, Forbes

Exasol Research Finds 58% of Organizations Make Decisions Based on Outdated Data
29 September 2020, DevOps.com

Exasol Research Finds 58 Percent of Organizations Make Decisions Based on Outdated Data
5 October 2020, TDWI

provided by Google News

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

Cloudera’s Impala brings Hadoop to SQL and BI
25 October 2012, ZDNet

Cloudera says Impala is faster than Hive, which isn't saying much
13 January 2014, GigaOM

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Shark: Real-time queries and analytics for big data
26 November 2012, O'Reilly Radar

provided by Google News

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