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DBMS > EXASOL vs. Hazelcast vs. Impala

System Properties Comparison EXASOL vs. Hazelcast vs. Impala

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonHazelcast  Xexclude from comparisonImpala  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A widely adopted in-memory data gridAnalytic DBMS for Hadoop
Primary database modelRelational DBMSKey-value storeRelational DBMS
Secondary database modelsDocument store infoJSON support with IMDG 3.12Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.40
Rank#88  Overall
#45  Relational DBMS
Score9.29
Rank#43  Overall
#5  Key-value stores
Score15.52
Rank#36  Overall
#22  Relational DBMS
Websitewww.exasol.com/­en/­productshazelcast.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.html
Technical documentationwww.exasol.com/­en/­community/­resourceshazelcast.org/­imdg/­docsdocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.html
DeveloperExasolHazelcastCloudera
Initial release200020082013
Current release4.0, February 20203.3.0, August 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++
Server operating systemsAll OS with a Java VMLinux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes
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.noyes infothe object must implement a serialization strategyno
Secondary indexesyesyesyes
SQL infoSupport of SQLyesSQL-like query languageSQL-like DML and DDL statements
APIs and other access methods.Net
JDBC
ODBC
WebSocket
JCache
JPA
Memcached protocol
RESTful HTTP API
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
All languages supporting JDBC/ODBC
Server-side scripts infoStored proceduresuser defined functionsyes infoEvent Listeners, Executor Servicesyes infouser defined functions and integration of map-reduce
Triggersyesyes infoEventsno
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated Mapselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyesyes infoquery execution via MapReduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDone or two-phase-commit; repeatable reads; read commitedno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardRole-based access controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberos
More information provided by the system vendor
EXASOLHazelcastImpala
Specific characteristicsHazelcast is an in-memory computing platform that runs applications with extremely...
» more
Competitive advantagesHazelcast has an optimized, multi-threaded architecture that enables the highest...
» more
Typical application scenariosHazelcast powers many types of large-scale, data processing applications. A sample...
» more
Key customersHazelcast customers include 50 of the world’s largest financial services companies,...
» more
Licensing and pricing modelsHazelcast provides both open source and commercial software. The open source offering...
» more

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More resources
EXASOLHazelcastImpala
Recent citations in the news

Exasol and Minerra Partner to Help Organizations Maximize Data Analytics Investments and Drive User Adoption
23 July 2020, Business Wire

Yellowfin Bolsters Partnership with Exasol to Offer Customers Unrivalled Analytics Performance
28 July 2020, PRNewswire

Exasol Appoints Rishi Diwan As Chief Product Officer
30 July 2020, Business Wire

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12 August 2020, ADT Magazine

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How Hazelcast hopes to make digital transformation mainstream
27 July 2020, TechRepublic

From Edge to Cloud: Boosting Data-Driven Business Performance in Times of Uncertainty
31 July 2020, IoT World Today

Global In-Memory Data Grids Software Market 2020 Growth Rate – Hazelcast, IBM, GridGain, Scaleout Software Inc, TIBCO Software, Software AG
12 August 2020, StartupNG

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Hot Tech Skills and Certifications During the Pandemic (and Beyond)
22 July 2020, Dice Insights

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

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

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

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

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