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DBMS > Cassandra vs. MemSQL vs. Oracle NoSQL

System Properties Comparison Cassandra vs. MemSQL vs. Oracle NoSQL

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonMemSQL  Xexclude from comparisonOracle NoSQL  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storageKey-value store based on Berkeley DB Java Edition
Primary database modelWide column storeRelational DBMSKey-value store
Secondary database modelsDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.18
Rank#10  Overall
#1  Wide column stores
Score6.01
Rank#62  Overall
#35  Relational DBMS
Score4.17
Rank#79  Overall
#13  Key-value stores
Websitecassandra.apache.orgwww.memsql.comwww.oracle.com/­database/­nosql/­index.html
Technical documentationcassandra.apache.org/­doc/­latestdocs.memsql.comdocs.oracle.com/­cd/­NOSQL/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookMemSQL Inc.Oracle
Initial release200820132011
Current release3.11.8, August 20207.1.7, August 202019.5, November 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infofree developer edition availableOpen Source infoApache V2 for Community Edition, proprietary license for Enterprise Edition
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.
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Implementation languageJavaC++Java
Server operating systemsBSD
Linux
OS X
Windows
Linux info64 bit version requiredLinux
Solaris SPARC/x86
Data schemeschema-freeyesoptional, scheme definition possible with AVRO or in 'table-style'
Typing infopredefined data types such as float or dateyesyesoptional
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.nonono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yes, but no triggers and foreign keysSQL-like DML and DDL statements
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Bash
C
C#
Java
JavaScript (Node.js)
Python
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyesno
Triggersyesnono
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 possibleSource-replica replicationElectable source-replica replication per shard
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency only within each nodeEventual Consistency
Immediate Consistency infodepending on configuration
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACID infoOnly isolation level: READ COMMITEDconfigurable infoACID within a storage node (=shard)
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
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.noyesyes infooff heap cache
User concepts infoAccess controlAccess rights for users can be defined per objectfine grained access rights according to SQL-standardAccess rights for users and roles
More information provided by the system vendor
CassandraMemSQLOracle NoSQL
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Oracle NoSQL Database is a scalable , distributed NoSQL database, designed to provide...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Data can be modeled as relational-database-style tables, JSON documents, RDF Triples...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Internet of Things where large volume of data needs to be stored and processed very...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Large credit card company Airbus NTT Docomo Global rewards company
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Oracle NoSQL Database is used by hundreds of companies around the world. Oracle NoSQL...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Oracle NoSQL Database Enterprise Edition can be purchased under the Oracle Commercial...
» more

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3rd partiesDBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
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Instaclustr: Hosted & Managed Apache Cassandra as a Service
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CData: Connect to Big Data & NoSQL through standard Drivers.
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DataStax Enterprise: Apache Cassandra for enterprises.
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CassandraMemSQLOracle NoSQL
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