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DBMS > CrateDB vs. LevelDB vs. RDF4J vs. ScyllaDB vs. Sequoiadb

System Properties Comparison CrateDB vs. LevelDB vs. RDF4J vs. ScyllaDB vs. Sequoiadb

Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonLevelDB  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparisonScyllaDB  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionDistributed Date Store based on LuceneEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.Cassandra and DynamoDB compatible wide column storeNewSQL database with distributed OLTP and SQL
Primary database modelRelational DBMS
Search engine
Key-value storeRDF storeKey-value store
Wide column store
Document store
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.75
Rank#197  Overall
#100  Relational DBMS
#12  Search engines
Score2.76
Rank#98  Overall
#18  Key-value stores
Score0.54
Rank#225  Overall
#9  RDF stores
Score2.06
Rank#114  Overall
#22  Key-value stores
#8  Wide column stores
Score0.38
Rank#254  Overall
#37  Document stores
#117  Relational DBMS
Websitecrate.iogithub.com/­google/­leveldbrdf4j.orgwww.scylladb.comwww.sequoiadb.com
Technical documentationcrate.io/­docsgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdrdf4j.org/­documentationdocs.scylladb.comwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperCrateGoogleSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.ScyllaDBSequoiadb Ltd.
Initial release20132011200420152013
Current release1.23 , February 2021Scylla Open Source 4.3, January 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDOpen Source infoEclipse Distribution License (EDL), v1.0.Open Source infoOpen Source (AGPL), commercial license availableOpen Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageJavaC++JavaC++C++
Server operating systemsAll OS with a Java 7 (and higher) VMIllumos
Linux
OS X
Windows
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeFlexible Schema (defined schema, partial schema, schema free)schema-freeyes infoRDF Schemasschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesyesyes infooid, date, timestamp, binary, regex
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.nononono
Secondary indexesyesnoyesyes infocluster global secondary indicesyes
SQL infoSupport of SQLyes, but no triggers and constraintsnonoSQL-like DML and DDL statements (CQL)SQL-like query language
APIs and other access methodsADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
proprietary protocol using JSON
Supported programming languagesErlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Java
PHP
Python
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsnoyesyes, LuaJavaScript
Triggersnonoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornonenoneselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Immediate ConsistencyEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Eventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategynoACID infoIsolation support depends on the API usedno infoAtomicity and isolation are supported for single operationsDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyes infoin-memory storage is supported as wellyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoin-memory tablesno
User concepts infoAccess controlrights management via user accountsnonoAccess rights for users can be defined per objectsimple password-based access control
More information provided by the system vendor
CrateDBLevelDBRDF4J infoformerly known as SesameScyllaDBSequoiadb
Specific characteristicsCrateDB is an open source distributed SQL database that spreads data and processing...
» more
Scylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesCrateDB is typically used in operational analytics applications, particularly those...
» more
Highly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
» more
AdTech ( AdGear , Dstillery , MediaMath , Numberly , SAS , SteelHouse , Xandr) Customer...
» more
Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
Comcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
Licensing and pricing modelsCrateDB pricing CrateDB Community Edition is open source and free to use under the...
» more
Scylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

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More resources
CrateDBLevelDBRDF4J infoformerly known as SesameScyllaDBSequoiadb
Conferences and events

Scylla University LIVE
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Webinar, 10 AM PT / 1 PM ET / 6 PM GMT, 29 April 2021

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Webinar, 10 AM PT / 1 PM ET / 6 PM GMT, 13 May 2021

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