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DBMS > Amazon Redshift vs. Cassandra vs. OpenMLDB vs. Oracle

System Properties Comparison Amazon Redshift vs. Cassandra vs. OpenMLDB vs. Oracle

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Editorial information provided by DB-Engines
NameAmazon Redshift  Xexclude from comparisonCassandra  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOracle  Xexclude from comparison
DescriptionLarge scale data warehouse service for use with business intelligence toolsWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessAn open-source machine learning database that provides a feature platform for training and inferenceWidely used RDBMS
Primary database modelRelational DBMSWide column storeTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Relational DBMSDocument 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
Score17.94
Rank#34  Overall
#21  Relational DBMS
Score101.89
Rank#12  Overall
#1  Wide column stores
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score1236.29
Rank#1  Overall
#1  Relational DBMS
Websiteaws.amazon.com/­redshiftcassandra.apache.orgopenmldb.aiwww.oracle.com/­database
Technical documentationdocs.aws.amazon.com/­redshiftcassandra.apache.org/­doc/­latestopenmldb.ai/­docs/­zh/­maindocs.oracle.com/­en/­database
DeveloperAmazon (based on PostgreSQL)Apache Software Foundation infoApache top level project, originally developped by Facebook4 Paradigm Inc.Oracle
Initial release2012200820201980
Current release4.1.3, July 20232024-2 February 202423c, September 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2Open Sourcecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud serviceyesnonono
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 languageCJavaC++, Java, ScalaC and C++
Server operating systemshostedBSD
Linux
OS X
Windows
LinuxAIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeyesschema-freeFixed schemayes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesrestrictedrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLyes infodoes not fully support an SQL-standardSQL-like SELECT, DML and DDL statements (CQL)yesyes infowith proprietary extensions
APIs and other access methodsJDBC
ODBC
Proprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JDBC
SQLAlchemy
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languagesAll languages supporting JDBC/ODBCC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C++
Go
Java
Python
Scala
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
Server-side scripts infoStored proceduresuser defined functions infoin PythonnonoPL/SQL infoalso stored procedures in Java possible
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infono "single point of failure"horizontal partitioningSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replicationMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno infocan be realized in PL/SQL
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infoinformational only, not enforced by the systemnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoAtomicity and isolation are supported for single operationsnoACID infoisolation level can be parameterized
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.yesnoyesyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per objectfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
Amazon RedshiftCassandraOpenMLDBOracle
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.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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