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DBMS > Amazon SimpleDB vs. CockroachDB vs. RDF4J

System Properties Comparison Amazon SimpleDB vs. CockroachDB vs. RDF4J

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Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonCockroachDB  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparison
DescriptionHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.RDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.
Primary database modelKey-value storeRelational DBMSRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.52
Rank#112  Overall
#22  Key-value stores
Score6.09
Rank#63  Overall
#36  Relational DBMS
Score0.57
Rank#220  Overall
#9  RDF stores
Websiteaws.amazon.com/­simpledbwww.cockroachlabs.comrdf4j.org
Technical documentationdocs.aws.amazon.com/­simpledbwww.cockroachlabs.com/­docsrdf4j.org/­documentation
DeveloperAmazonCockroach LabsSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.
Initial release200720152004
Current release19.2.6, April 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0, commercial license availableOpen Source infoEclipse Distribution License (EDL), v1.0.
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
CockroachCloud: Get your applications to market faster with a fully managed CockroachDB instance. Leave the daily maintenance, security, and operations of your database to us, and spend more time building apps and running your business.
Implementation languageGoJava
Server operating systemshostedLinux
macOS
Windows
Linux
OS X
Unix
Windows
Data schemeschema-freedynamic schemayes infoRDF Schemas
Typing infopredefined data types such as float or datenoyesyes
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.no
Secondary indexesyes infoAll columns are indexed automaticallyyesyes
SQL infoSupport of SQLnoyes, wire compatible with PostgreSQLno
APIs and other access methodsRESTful HTTP APIJDBCJava API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Java
PHP
Python
Server-side scripts infoStored proceduresnonoyes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationhorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication using RAFTnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDACID infoIsolation support depends on the API used
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory storage is supported as well
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Role-based access controlno
More information provided by the system vendor
Amazon SimpleDBCockroachDBRDF4J infoformerly known as Sesame
Specific characteristicsCockroachDB is a Distributed SQL database architected for modern cloud applications....
» more
Competitive advantages- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more
Typical application scenariosSystem of record (financial ledger, inventory management, transaction record), identity...
» more
Key customersComcast, LUSH, Bose, Kindred, Nubank, Baidu, SpaceX, TuneGO, eBay, DoorDash, Norfolk...
» more
Market metrics8K+ long-running clusters 600+ CockroachDB Enterprise clusters 120+ CockroachCloud...
» more
Licensing and pricing models- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Amazon SimpleDBCockroachDBRDF4J infoformerly known as Sesame
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