DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Cassandra vs. Hazelcast vs. JSqlDb vs. Microsoft Azure Data Explorer vs. Sqrrl

System Properties Comparison Cassandra vs. Hazelcast vs. JSqlDb vs. Microsoft Azure Data Explorer vs. Sqrrl

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonHazelcast  Xexclude from comparisonJSqlDb  Xexclude from comparisonMicrosoft Azure Data Explorer  Xexclude from comparisonSqrrl  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA widely adopted in-memory data gridJavaScript Query Language Database, stores JavaScript objects and primitivesFully managed big data interactive analytics platformAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelWide column storeKey-value storeDocument store
Object oriented DBMS
Relational DBMS infocolumn orientedDocument store
Graph DBMS
Key-value store
Wide column store
Secondary database modelsDocument store infoJSON support with IMDG 3.12Document store infoIf a column is of type dynamic docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types/­dynamic then it's possible to add arbitrary JSON documents in this cell
Event Store infothis is the general usage pattern at Microsoft. Billing, Logs, Telemetry events are stored in ADX and the state of an individual entity is defined by the arg_max(timestamps)
Search engine infosupport for complex search expressions docs.microsoft.com/­en-us/­azure/­kusto/­query/­parseoperator, FTS, Geospatial docs.microsoft.com/­en-us/­azure/­kusto/­query/­geo-point-to-geohash-function, distributed search -> ADX acts as a distributed search engine
Time Series DBMS infosee docs.microsoft.com/­en-us/­azure/­data-explorer/­time-series-analysis
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score120.95
Rank#11  Overall
#1  Wide column stores
Score9.07
Rank#45  Overall
#5  Key-value stores
Score0.00
Rank#339  Overall
#47  Document stores
#21  Object oriented DBMS
Score2.61
Rank#98  Overall
#48  Relational DBMS
Websitecassandra.apache.orghazelcast.comjsqldb.orgazure.microsoft.com/­services/­data-explorersqrrl.com
Technical documentationcassandra.apache.org/­doc/­latesthazelcast.org/­documentationdocs.microsoft.com/­en-us/­azure/­data-explorer
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookHazelcastKonrad von BackstromMicrosoftAmazon infooriginally Sqrrl Data, Inc.
Initial release20082008201820192012
Current release3.11.6, February 20204.0, February 20200.8, December 2018cloud service with continuous releases
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2; commercial licenses availableOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaJava
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VMLinux
macOS
Windows
hostedLinux
Data schemeschema-freeschema-freeschema-freeFixed schema with schema-less datatypes (dynamic)schema-free
Typing infopredefined data types such as float or dateyesyesnoyes infobool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-typesyes
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 strategynoyes
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesnoall fields are automatically indexedyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query languagenoKusto Query Language (KQL), SQL subsetno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JCache
JPA
Memcached protocol
RESTful HTTP API
Microsoft SQL Server communication protocol (MS-TDS)
RESTful HTTP API
Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
JavaScript.Net
Java
JavaScript (Node.js)
PowerShell
Python
R
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresnoyes infoEvent Listeners, Executor Servicesfunctions in JavaScriptYes, possible languages: KQL, Python, Rno
Triggersyesyes infoEventsnoyes infosee docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicyno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingnoneSharding infoImplicit feature of the cloud serviceSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes infoReplicated Mapnoneyes infoImplicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.selectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual Consistency
Immediate Consistency
Immediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsone or two-phase-commit; repeatable reads; read commitednoAtomic updates per row, document, or graph entity
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per objectRole-based access controlAzure Active Directory AuthenticationCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
More information provided by the system vendor
CassandraHazelcastJSqlDbMicrosoft Azure Data ExplorerSqrrl
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Hazelcast is an in-memory computing platform that runs applications with extremely...
» more
Azure Data Explorer is a fast and highly scalable data exploration service for log...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Hazelcast has an optimized, multi-threaded architecture that enables the highest...
» more
Kusto Query Language (innovative query language, optimized for high performance data...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Hazelcast powers many types of large-scale, data processing applications. A sample...
» more
IoT applications IoT devices generate billions of sensor readings. Normalizing and...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Hazelcast customers include 50 of the world’s largest financial services companies,...
» more
Microsoft, DocuSign, Taboola, Bosch, Siemens Healthineers, Bühler, Ecolab, Zoomd
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Azure Data Explorer is the data service for Azure Monitor, Azure Time Series Insights,...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Hazelcast provides both open source and commercial software. The open source offering...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesDBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
» more

Instaclustr: Fully Hosted and Managed Apache Cassandra
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CassandraHazelcastJSqlDbMicrosoft Azure Data ExplorerSqrrl
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Conferences and events

DataStax Accelerate
San Diego, California, USA, 11-13 May 2020

Recent citations in the news

DataStax snaps up Cassandra database consultancy The Last Pickle
3 March 2020, SiliconANGLE

DataStax takes aim at open source Cassandra challenges
6 March 2020, TechTarget

DataStax shifts focus back towards the Cassandra community
6 March 2020, Diginomica

9 Ways Database Technology Gives Your Applications an Edge
26 March 2020, TechNative

Datastax acquires The Last Pickle – TechCrunch
3 March 2020, Best gaming pro

provided by Google News

Hazelcast Jet Simplifies Enterprise Python and Java AI/ML Deployments
11 March 2020, ADT Magazine

Hazelcast Jet 4.0 boosts event streaming data platform
17 March 2020, TechTarget

Hazelcast Speeds Time-to-Market for Operationalization of Machine Learning in Enterprise Applications
10 March 2020, Yahoo Finance

Hazelcast raises $50 million to deliver speedy in-memory compute services
12 February 2020, VentureBeat

In-memory computing platform Hazelcast raises $28.5m
11 February 2020, Finextra

provided by Google News

How to share data in place from Azure Data Explorer - Microsoft
20 December 2019, Channel 9

Azure Updates: Sphere 20.0; Azure Government; ISV, partner announcements; Exporting Power BI reports
20 March 2020, MSDynamicsWorld.com

Azure Data Explorer for IoT Data Analytics | Internet of Things Show - Microsoft
2 September 2019, Channel 9

Microsoft announces reserved capacity offerings for six more Azure services
13 November 2019, Neowin

Zoomd Takes Another Step Towards Becoming an Industry Leader After Adopting Microsoft's Azure Data Explorer
4 December 2019, PRNewswire

provided by Google News

Global Behavior Analytics Market (2018 to 2024) - By Component, Deployment, End User and Region
27 March 2020, Yahoo Finance

Anne Arundel libraries offer virtual storytelling and activities, spend $150,000 on digital collections
20 March 2020, Baltimore Sun

Global User and Entity Behavior Analytics Market Outlook 2020-2026 : Rapid7, Varonis SystemsInc. Gurucul, NiaraInc. Sqrrl DataInc. Dtex Systems
16 March 2020, Northwest Trail

Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
24 January 2018, South China Morning Post

[Tech30] These industry veterans’ startup encourages millennials to save and invest money smartly
28 October 2019, YourStory

provided by Google News

Job opportunities

DBA (SQL and Cassandra / Azure Databases) only for w2 candidates
gimmko, Cincinnati, OH

Cassandra Database Administrator
Systech Inc, Phoenix, AZ

Cassandra DBA
Lorvin Technologies, Deerfield, IL

Cassandra/Couchbase DBA
Talent Network Solutions LLC, Mooresville, NC

Cassandra/Cosmos Consultant
InfolobSolutions,Inc, Dallas, TX

Java Developer- Jersey City
Bank of America, Jersey City, NJ

Scala Engineer
JP Morgan Chase, Chicago, IL

Application/Database Developer
State Street, Boston, MA

Site Reliability Engineer
JP Morgan Chase, Plano, TX

Software Engineer - Java
JP Morgan Chase, Tampa, FL

Azure Data Engineer
Denken Solutions Inc, Grand Rapids, MI

Data and Applied Scientist II
Microsoft, Redmond, WA

Sr Data & Applied Scientist
Microsoft, Redmond, WA

Cyber Hunt Analyst
Microsoft, Redmond, WA

Senior Data Engineer - Turn 10 Studios
Microsoft, Redmond, WA

Cybersecurity Threat Hunter
Arete Advisors, New York, NY

Security Operations Center (SOC) Analyst (Day Shift)
XOR Security, Herndon, VA

Cyber Hunt SME
XOR Security, Arrington, VA

Security Engineer
XOR Security, Herndon, VA

Cyber Security Engineer
XOR Security, Springfield, VA

jobs by Indeed




Share this page

Featured Products

MariaDB logo

How do MariaDB, Oracle MySQL and EnterpriseDB compare?
Get the white paper to
learn more.

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandra™ from the Cassandra experts.
Learn more.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here