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DBMS > Cassandra vs. EXASOL vs. NCache vs. Snowflake

System Properties Comparison Cassandra vs. EXASOL vs. NCache vs. Snowflake

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonEXASOL  Xexclude from comparisonNCache  Xexclude from comparisonSnowflake  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 and Enterprise in-memory Key-Value StoreCloud-based data warehousing service for structured and semi-structured data
Primary database modelWide column storeRelational DBMSKey-value storeRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score103.86
Rank#12  Overall
#1  Wide column stores
Score2.25
Rank#120  Overall
#57  Relational DBMS
Score0.98
Rank#196  Overall
#29  Key-value stores
Score123.20
Rank#9  Overall
#6  Relational DBMS
Websitecassandra.apache.orgwww.exasol.comwww.alachisoft.com/­ncachewww.snowflake.com
Technical documentationcassandra.apache.org/­doc/­latestwww.exasol.com/­resourceswww.alachisoft.com/­resources/­docsdocs.snowflake.net/­manuals/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookExasolAlachisoftSnowflake Computing Inc.
Initial release2008200020052014
Current release4.1.3, July 20235.3.3, April 2024
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoEnterprise Edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
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 languageJavaC#, .NET, .NET Core, Java
Server operating systemsBSD
Linux
OS X
Windows
Linux
Windows
hosted
Data schemeschema-freeyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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.nononoyes
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 syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
.Net
JDBC
ODBC
WebSocket
IDistributedCache
JCache
LINQ
Proprietary native API
CLI Client
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Java
Lua
Python
R
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnouser defined functionsno infosupport for stored procedures with SQL-Server CLRuser defined functions
Triggersyesyesyes infoNotificationsno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Shardingyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoHadoop integrationyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDoptimistic locking and pessimistic lockingACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesno
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users, groups and roles according to SQL-standardAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Users with fine-grained authorization concept, user roles and pluggable authentication
More information provided by the system vendor
CassandraEXASOLNCacheSnowflake
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Market Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
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