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DBMS > Cassandra vs. EXASOL vs. RavenDB

System Properties Comparison Cassandra vs. EXASOL vs. RavenDB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonEXASOL  Xexclude from comparisonRavenDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Open Source Operational and Transactional Enterprise NoSQL Document Database
Primary database modelWide column storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.22
Rank#10  Overall
#1  Wide column stores
Score2.91
Rank#85  Overall
#44  Relational DBMS
Score3.86
Rank#71  Overall
#12  Document stores
Websitecassandra.apache.orgwww.exasol.com/­en/­productsravendb.net
Technical documentationcassandra.apache.org/­doc/­latestwww.exasol.com/­en/­community/­resourcesravendb.net/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookExasolHibernating Rhinos
Initial release200820002010
Current release3.11.4, February 20194.2, May 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoAGPL version 3, commercial license available
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.
RavenDB Cloud: Deploy a multi-node managed cluster in minutes. 10% discount for all users throughout 2019.
Implementation languageJavaC#
Server operating systemsBSD
Linux
OS X
Windows
Linux
macOS
Raspberry Pi
Windows
Data schemeschema-freeyesschema-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.nono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesSQL-like query language (RQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
.Net
WebSocket
JDBC
ODBC
.NET Client API
Java Client API
Python Client API
RESTful HTTP API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Java
Lua
Python
R
.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresnouser defined functionsyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-master replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoHadoop integrationyes infoMapReduce functions can be defined in Linq
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACID, Cluster-wide transaction available
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.noyes
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users, groups and roles according to SQL-standardAccess control on document level using the Authorization Bundle
More information provided by the system vendor
CassandraEXASOLRavenDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
RavenDB is the pioneer NoSQL Document Database that is fully transactional (ACID)...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
RavenDB is easy to setup and secure. You can do it in a matter of minutes . Easy...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
IoT for Edge Deployments Fraud Detection Recommendation Engines Product Catalogs...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Toyota, Capgemini, Vodafone, Medicaid, Asos, Nomura, RMS Automotive, MSNBC, Pluralsight,...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
2 million+ downloads 1000+ customers including Fortune 500 large enterprises
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
RavenDB is available on-premise and in the cloud. RavenDB Cloud is available on AWS...
» more

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Related products and services
3rd partiesDataStax Enterprise: Apache Cassandra for enterprises.
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Instaclustr: Fully Hosted and Managed Apache Cassandra
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CData: Connect to Big Data & NoSQL through standard Drivers.
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More resources
CassandraEXASOLRavenDB
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