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DBMS > Amazon CloudSearch vs. Citus vs. Memgraph vs. Oracle NoSQL

System Properties Comparison Amazon CloudSearch vs. Citus vs. Memgraph vs. Oracle NoSQL

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonCitus  Xexclude from comparisonMemgraph  Xexclude from comparisonOracle NoSQL  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleKey-value store based on Berkeley DB Java Edition
Primary database modelSearch engineRelational DBMSGraph DBMSKey-value store
Secondary database modelsDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.61
Rank#108  Overall
#9  Search engines
Score1.24
Rank#151  Overall
#74  Relational DBMS
Score0.13
Rank#292  Overall
#26  Graph DBMS
Score4.17
Rank#79  Overall
#13  Key-value stores
Websiteaws.amazon.com/­cloudsearchwww.citusdata.commemgraph.comwww.oracle.com/­database/­nosql/­index.html
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.citusdata.comdocs.memgraph.comdocs.oracle.com/­cd/­NOSQL/­index.html
DeveloperAmazonMemgraph LtdOracle
Initial release2012201020172011
Current release8.1, December 201819.5, November 2019
License infoCommercial or Open SourcecommercialOpen Source infoAGPL, commercial license also availablecommercial infoFree license availableOpen Source infoApache V2 for Community Edition, proprietary license for Enterprise Edition
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.
Implementation languageCC and C++Java
Server operating systemshostedLinuxLinuxLinux
Solaris SPARC/x86
Data schemeyesyesschema-free and schema-optionaloptional, scheme definition possible with AVRO or in 'table-style'
Typing infopredefined data types such as float or dateyesyesyesoptional
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.yes infospecific XML type available, but no XML query functionalitynono
Secondary indexesyes infoall search fields are automatically indexedyesyes
SQL infoSupport of SQLnoyes infostandard, with numerous extensionsnoSQL-like DML and DDL statements
APIs and other access methodsHTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Bolt protocol
Cypher query language
RESTful HTTP API
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredShardingSharding infodynamic graph partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSSource-replica replication infoother methods possible by using 3rd party extensionsMulti-source replication using RAFTElectable source-replica replication per shard
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency infodepending on configuration
Foreign keys infoReferential integritynoyesyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infowith snapshot isolationconfigurable infoACID within a storage node (=shard)
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
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 controlauthentication via encrypted signaturesfine grained access rights according to SQL-standardUsers, roles and permissionsAccess rights for users and roles
More information provided by the system vendor
Amazon CloudSearchCitusMemgraphOracle NoSQL
Specific characteristicsOracle NoSQL Database is a scalable , distributed NoSQL database, designed to provide...
» more
Competitive advantagesData can be modeled as relational-database-style tables, JSON documents, RDF Triples...
» more
Typical application scenariosInternet of Things where large volume of data needs to be stored and processed very...
» more
Key customersLarge credit card company Airbus NTT Docomo Global rewards company
» more
Market metricsOracle NoSQL Database is used by hundreds of companies around the world. Oracle NoSQL...
» more
Licensing and pricing modelsOracle NoSQL Database Enterprise Edition can be purchased under the Oracle Commercial...
» more

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Amazon CloudSearchCitusMemgraphOracle NoSQL
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