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

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

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonEXASOL  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  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.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBOpen-Source and Enterprise in-memory Key-Value StoreCloud-based data warehousing service for structured and semi-structured data
Primary database modelWide column storeRelational DBMSRelational 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
Score101.89
Rank#12  Overall
#1  Wide column stores
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score3.49
Rank#87  Overall
#47  Relational DBMS
Score0.94
Rank#195  Overall
#29  Key-value stores
Score121.33
Rank#9  Overall
#6  Relational DBMS
Websitecassandra.apache.orgwww.exasol.comhsqldb.orgwww.alachisoft.com/­ncachewww.snowflake.com
Technical documentationcassandra.apache.org/­doc/­latestwww.exasol.com/­resourceshsqldb.org/­web/­hsqlDocsFrame.htmlwww.alachisoft.com/­resources/­docsdocs.snowflake.net/­manuals/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookExasolAlachisoftSnowflake Computing Inc.
Initial release20082000200120052014
Current release4.1.3, July 20232.7.2, June 20235.3.3, April 2024
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infobased on BSD licenseOpen Source infoEnterprise Edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
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 languageJavaJavaC#, .NET, .NET Core, Java
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesLinux
Windows
hosted
Data schemeschema-freeyesyesschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyespartial 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.nonononoyes
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesyesSQL-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
HTTP API infoJDBC via HTTP
JDBC
ODBC
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
All languages supporting JDBC/ODBC
Java
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnouser defined functionsJava, SQLno infosupport for stored procedures with SQL-Server CLRuser defined functions
Triggersyesyesyesyes infoNotificationsno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Shardingnoneyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenoneyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoHadoop integrationnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynoyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACIDoptimistic locking and pessimistic lockingACID
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.noyesyesyesno
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users, groups and roles according to SQL-standardfine grained access rights 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
CassandraEXASOLHyperSQL infoalso known as HSQLDBNCacheSnowflake
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
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,...
» more
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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