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DBMS > Blueflood vs. Derby vs. IBM Cloudant vs. JSqlDb

System Properties Comparison Blueflood vs. Derby vs. IBM Cloudant vs. JSqlDb

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonJSqlDb  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionScalable TimeSeries DBMS based on CassandraFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Database as a Service offering based on Apache CouchDBJavaScript Query Language Database, stores JavaScript objects and primitives
Primary database modelTime Series DBMSRelational DBMSDocument storeDocument store
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score4.60
Rank#70  Overall
#38  Relational DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Websiteblueflood.iodb.apache.org/­derbywww.ibm.com/­products/­cloudantjsqldb.org (offline)
Technical documentationgithub.com/­rax-maas/­blueflood/­wikidb.apache.org/­derby/­manuals/­index.htmlcloud.ibm.com/­docs/­Cloudant
DeveloperRackspaceApache Software FoundationIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Konrad von Backstrom
Initial release2013199720102018
Current release10.17.1.0, November 20230.8, December 2018
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaErlang
Server operating systemsLinux
OS X
All OS with a Java VMhostedLinux
macOS
Windows
Data schemepredefined schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnono
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.noyesnono
Secondary indexesnoyesyesno
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP RESTJDBCRESTful HTTP/JSON API
Supported programming languagesJavaC#
Java
JavaScript
Objective-C
PHP
Ruby
JavaScript
Server-side scripts infoStored proceduresnoJava Stored ProceduresView functions (Map-Reduce) in JavaScriptfunctions in JavaScript
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replicationMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoOptimistic locking
Durability infoSupport for making data persistentyesyesyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights for users can be defined per database

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More resources
BluefloodDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDBIBM CloudantJSqlDb
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