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DBMS > Cassandra vs. Kdb vs. SiteWhere vs. Snowflake vs. Trafodion

System Properties Comparison Cassandra vs. Kdb vs. SiteWhere vs. Snowflake vs. Trafodion

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonKdb  Xexclude from comparisonSiteWhere  Xexclude from comparisonSnowflake  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessHigh performance Time Series DBMSM2M integration platform for persisting/querying time series dataCloud-based data warehousing service for structured and semi-structured dataTransactional SQL-on-Hadoop DBMS
Primary database modelWide column storeTime Series DBMS
Vector DBMS
Time Series DBMSRelational DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score98.83
Rank#12  Overall
#1  Wide column stores
Score7.71
Rank#49  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Websitecassandra.apache.orgkx.comgithub.com/­sitewhere/­sitewherewww.snowflake.comtrafodion.apache.org
Technical documentationcassandra.apache.org/­doc/­latestcode.kx.comsitewhere1.sitewhere.io/­index.htmldocs.snowflake.net/­manuals/­index.htmltrafodion.apache.org/­documentation.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookKx Systems, a division of First Derivatives plcSiteWhereSnowflake Computing Inc.Apache Software Foundation, originally developed by HP
Initial release20082000 infokdb was released 2000, kdb+ in 2003201020142014
Current release4.1.3, July 20233.6, May 20182.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infofree 32-bit versionOpen Source infoCommon Public Attribution License Version 1.0commercialOpen Source infoApache 2.0
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.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaqJavaC++, Java
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
Solaris
Windows
Linux
OS X
Windows
hostedLinux
Data schemeschema-freeyespredefined schemeyes infosupport of semi-structured data formats (JSON, XML, Avro)yes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.noyesnoyesno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infotable attribute 'grouped'noyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query language (q)noyesyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
HTTP RESTCLI Client
JDBC
ODBC
ADO.NET
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnouser defined functionsuser defined functionsJava Stored Procedures
Triggersyesyes infowith viewsno infosimilar concept for controling cloud resourcesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"horizontal partitioningSharding infobased on HBaseyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replicationselectable replication factor infobased on HBaseyesyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno infosimilar paradigm used for internal processingnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnonoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnonono
User concepts infoAccess controlAccess rights for users can be defined per objectrights management via user accountsUsers with fine-grained authorization conceptUsers with fine-grained authorization concept, user roles and pluggable authenticationfine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraKdbSiteWhereSnowflakeTrafodion
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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Integrated columnar database & programming system for streaming, real time and historical...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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provides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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tick database streaming sensor data massive intelligence applications oil and gas...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Market metricsCassandra is used by 40% of the Fortune 100.
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kdb+ performance and reliability proven by our customers in critical infrastructure...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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upon request
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