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DBMS > Derby vs. FeatureBase vs. Memcached

System Properties Comparison Derby vs. FeatureBase vs. Memcached

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Editorial information provided by DB-Engines
NameDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB  Xexclude from comparisonFeatureBase  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Real-time database platform that powers real-time analytics and machine learning applications by simultaneously executing low-latency, high-throughput, and highly concurrent workloads.In-memory key-value store, originally intended for caching
Primary database modelRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.60
Rank#70  Overall
#38  Relational DBMS
Score0.31
Rank#292  Overall
#135  Relational DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Websitedb.apache.org/­derbywww.featurebase.comwww.memcached.org
Technical documentationdb.apache.org/­derby/­manuals/­index.htmldocs.featurebase.comgithub.com/­memcached/­memcached/­wiki
DeveloperApache Software FoundationMolecula and Pilosa Open Source ContributorsDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release199720172003
Current release10.17.1.0, November 20232022, May 20221.6.27, May 2024
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaGoC
Server operating systemsAll OS with a Java VMLinux
macOS
FreeBSD
Linux
OS X
Unix
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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.yesno
Secondary indexesyesnono
SQL infoSupport of SQLyesSQL queriesno
APIs and other access methodsJDBCgRPC
JDBC
Kafka Connector
ODBC
Proprietary protocol
Supported programming languagesJavaJava
Python
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresJava Stored Proceduresno
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes, using Linux fsyncno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocol

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