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DBMS > EXASOL vs. Hazelcast vs. PouchDB

System Properties Comparison EXASOL vs. Hazelcast vs. PouchDB

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonHazelcast  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A widely adopted in-memory data gridJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSKey-value storeDocument store
Secondary database modelsDocument store infoJSON support with IMDG 3.12
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
Score3.20
Rank#92  Overall
#16  Document stores
Websitewww.exasol.com/­en/­productshazelcast.compouchdb.com
Technical documentationwww.exasol.com/­en/­community/­resourceshazelcast.org/­imdg/­docspouchdb.com/­guides
DeveloperExasolHazelcastApache Software Foundation
Initial release200020082012
Current release4.0, February 20207.1.1, June 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2; commercial licenses availableOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScript
Server operating systemsAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesno
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 infovia views
SQL infoSupport of SQLyesSQL-like query languageno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
JCache
JPA
Memcached protocol
RESTful HTTP API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJava
Lua
Python
R
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
JavaScript
Server-side scripts infoStored proceduresuser defined functionsyes infoEvent Listeners, Executor ServicesView functions in JavaScript
Triggersyesyes infoEventsyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationyesyes
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 datayesyes
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardRole-based access controlno
More information provided by the system vendor
EXASOLHazelcastPouchDB
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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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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

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

Exasol V7: Unlock More Data At Speed For Improved Businesses Agility
8 July 2020, Business Wire

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

Exasol launches Exasol V7 to enhance organizations' use of data
9 July 2020, Help Net Security

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Hazelcast Simplifies Application Modernization with Event-Driven Architectures
14 July 2020, PRNewswire

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15 July 2020, PRNewswire

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
20 July 2020, IoT World Today

In-Memory Data Grid Market 2020 Size with Top Key Players are Oracle,IBM,Hazelcast,Scale Out Software,Tibco Software,Software AG,Gigaspaces
28 July 2020, Bulletin Line

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Getting Started with PouchDB Client-Side JavaScript Database
7 September 2016, SitePoint

Synchronizing Offline App Data with PouchDB
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Create Offline Web Apps Using Service Workers & PouchDB
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