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DBMS > Apache Jena - TDB vs. Bangdb vs. CockroachDB vs. Lovefield vs. Memcached

System Properties Comparison Apache Jena - TDB vs. Bangdb vs. CockroachDB vs. Lovefield vs. Memcached

Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonBangdb  Xexclude from comparisonCockroachDB  Xexclude from comparisonLovefield  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkConverged and high performance database for device data, events, time series, document and graphCockroachDB 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.Embeddable relational database for web apps written in pure JavaScriptIn-memory key-value store, originally intended for caching
Primary database modelRDF storeDocument store
Graph DBMS
Time Series DBMS
Relational DBMSRelational DBMSKey-value store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.62
Rank#83  Overall
#3  RDF stores
Score0.16
Rank#338  Overall
#47  Document stores
#32  Graph DBMS
#31  Time Series DBMS
Score5.73
Rank#58  Overall
#34  Relational DBMS
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlbangdb.comwww.cockroachlabs.comgoogle.github.io/­lovefieldwww.memcached.org
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.bangdb.comwww.cockroachlabs.com/­docsgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdgithub.com/­memcached/­memcached/­wiki
DeveloperApache Software Foundation infooriginally developed by HP LabsSachin Sinha, BangDBCockroach LabsGoogleDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release20002012201520142003
Current release4.9.0, July 2023BangDB 2.0, October 202124.1.0, May 20242.1.12, February 20171.6.27, May 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoBSD 3Open Source infoApache 2.0, commercial license availableOpen Source infoApache 2.0Open Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC, C++GoJavaScriptC
Server operating systemsAll OS with a Java VMLinuxLinux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariFreeBSD
Linux
OS X
Unix
Windows
Data schemeyes infoRDF Schemasschema-freedynamic schemayesschema-free
Typing infopredefined data types such as float or dateyesyes: string, long, double, int, geospatial, stream, eventsyesyesno
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.nonono
Secondary indexesyesyes infosecondary, composite, nested, reverse, geospatialyesyesno
SQL infoSupport of SQLnoSQL like support with command line toolyes, wire compatible with PostgreSQLSQL-like query language infovia JavaScript builder patternno
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
Proprietary protocol
RESTful HTTP API
JDBCProprietary protocol
Supported programming languagesJavaC
C#
C++
Java
Python
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
JavaScript.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesnononono
Triggersyes infovia event handleryes, Notifications (with Streaming only)noUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding (enterprise version only). P2P based virtual network overlay with consistent hashing and chord algorithmhorizontal 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 RAFTnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor, Knob for CAP (enterprise version only)Multi-source replication using RAFTnonenone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable consistency, set CAP knob accordinglyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, optimistic concurrency controlyesyesyes
Durability infoSupport for making data persistentyesyes, implements WAL (Write ahead log) as wellyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes, run db with in-memory only modenoyes infousing MemoryDB
User concepts infoAccess controlAccess control via Jena Securityyes (enterprise version only)Role-based access controlnoyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
Apache Jena - TDBBangdbCockroachDBLovefieldMemcached
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