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DBMS > Cassandra vs. DataFS vs. Derby vs. Fujitsu Enterprise Postgres vs. TempoIQ

System Properties Comparison Cassandra vs. DataFS vs. Derby vs. Fujitsu Enterprise Postgres vs. TempoIQ

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonDataFS  Xexclude from comparisonDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB  Xexclude from comparisonFujitsu Enterprise Postgres  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Enterprise-grade PostgreSQL-based DBMS with security enhancements such as Transparent Data Encryption and Data Masking, plus high-availability and performance improvement features.Scalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelWide column storeObject oriented DBMSRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsVector DBMS infostarting with release V5Graph DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score98.83
Rank#12  Overall
#1  Wide column stores
Score0.09
Rank#360  Overall
#17  Object oriented DBMS
Score4.60
Rank#70  Overall
#38  Relational DBMS
Score0.37
Rank#278  Overall
#128  Relational DBMS
Websitecassandra.apache.orgnewdatabase.comdb.apache.org/­derbywww.postgresql.fastware.comtempoiq.com (offline)
Technical documentationcassandra.apache.org/­doc/­latestdev.mobiland.com/­Overview.xspdb.apache.org/­derby/­manuals/­index.htmlwww.postgresql.fastware.com/­product-manuals
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookMobiland AGApache Software FoundationPostgreSQL Global Development Group, Fujitsu Australia Software TechnologyTempoIQ
Initial release2008201819972012
Current release4.1.3, July 20231.1.263, October 202210.17.1.0, November 2023Fujitsu Enterprise Postgres 14, January 2022
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoApache version 2commercialcommercial
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
Server operating systemsBSD
Linux
OS X
Windows
WindowsAll OS with a Java VMLinux
Windows
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yesyesschema-free
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.nonoyesno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionnoyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyesyesno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
.NET Client API
Proprietary client DLL
WinRT client
JDBCADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C#
C++
VB.Net
Java.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresnoJava Stored Proceduresuser defined functionsno
Triggersyesno, except callback-events from server when changes happenedyesyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Proprietary Sharding systemnonepartitioning by range, list and by hash
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes, multi-version concurrency control (MVCC)yes
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.nonoyesno
User concepts infoAccess controlAccess rights for users can be defined per objectWindows-Profilefine grained access rights according to SQL-standardfine grained access rights according to SQL-standardsimple authentication-based access control
More information provided by the system vendor
CassandraDataFSDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDBFujitsu Enterprise PostgresTempoIQ infoformerly TempoDB
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...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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