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DBMS > Cassandra vs. Memcached vs. Oracle vs. SQL.JS

System Properties Comparison Cassandra vs. Memcached vs. Oracle vs. SQL.JS

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonMemcached  Xexclude from comparisonOracle  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessIn-memory key-value store, originally intended for cachingWidely used RDBMSPort of SQLite to JavaScript
Primary database modelWide column storeKey-value storeRelational DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
Vector DBMS infosince Oracle 23
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score101.89
Rank#12  Overall
#1  Wide column stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Score1236.29
Rank#1  Overall
#1  Relational DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitecassandra.apache.orgwww.memcached.orgwww.oracle.com/­databasesql.js.org
Technical documentationcassandra.apache.org/­doc/­latestgithub.com/­memcached/­memcached/­wikidocs.oracle.com/­en/­databasesql.js.org/­documentation/­index.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracleAlon Zakai infoenhancements implemented by others
Initial release2008200319802012
Current release4.1.3, July 20231.6.25, March 202423c, September 2023
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoBSD licensecommercial inforestricted free version is availableOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
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 languageJavaCC and C++JavaScript
Server operating systemsBSD
Linux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeyes infoSchemaless in JSON and XML columnsyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.noyesno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionnoyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyes infowith proprietary extensionsyes infoSQL-92 is not fully supported
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Proprietary protocolJDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
JavaScript API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
JavaScript
Server-side scripts infoStored proceduresnonoPL/SQL infoalso stored procedures in Java possibleno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"noneSharding, horizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possiblenone infoRepcached, a Memcached patch, provides this functionallityMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono infocan be realized in PL/SQLno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistencynone
Foreign keys infoReferential integritynonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnoACID infoisolation level can be parameterizedACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesnoyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'yes
User concepts infoAccess controlAccess rights for users can be defined per objectyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardno
More information provided by the system vendor
CassandraMemcachedOracleSQL.JS
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more

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