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DBMS > dBASE vs. Memcached vs. Oracle Coherence vs. PouchDB

System Properties Comparison dBASE vs. Memcached vs. Oracle Coherence vs. PouchDB

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Editorial information provided by DB-Engines
NamedBASE  Xexclude from comparisonMemcached  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptiondBase was one of the first databases with a development environment on PC's. Its latest version dBase V is still sold as dBase classic, which needs a DOS Emulation. The up-to-date product is dBase plus.In-memory key-value store, originally intended for cachingOracles in-memory data grid solutionJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSKey-value storeKey-value storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score11.18
Rank#44  Overall
#28  Relational DBMS
Score20.74
Rank#32  Overall
#4  Key-value stores
Score2.02
Rank#131  Overall
#22  Key-value stores
Score2.35
Rank#116  Overall
#22  Document stores
Websitewww.dbase.comwww.memcached.orgwww.oracle.com/­java/­coherencepouchdb.com
Technical documentationwww.dbase.com/­support/­knowledgebasegithub.com/­memcached/­memcached/­wikidocs.oracle.com/­en/­middleware/­standalone/­coherencepouchdb.com/­guides
DeveloperAsthon TateDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracleApache Software Foundation
Initial release1979200320072012
Current releasedBASE 2019, 20191.6.25, March 202414.1, August 20237.1.1, June 2019
License infoCommercial or Open SourcecommercialOpen Source infoBSD licensecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaJavaScript
Server operating systemsDOS infodBase Classic
Windows infodBase Pro
FreeBSD
Linux
OS X
Unix
Windows
All OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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.nono
Secondary indexesyesnonoyes infovia views
SQL infoSupport of SQLnononono
APIs and other access methodsnone infoThe IDE can access other DBMS or ODBC-sources.Proprietary protocolJCache
JPA
RESTful HTTP API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesdBase proprietary IDE.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
JavaScript
Server-side scripts infoStored proceduresno infoThe IDE can access stored procedures in other database systems.nonoView functions in JavaScript
Triggersnonoyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallityyes, with selectable consistency levelMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infonot for dBase internal data, but IDE does support transactions when accessing external DBMSnoconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesnoyes infooptionallyyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users and rolesyes infousing SASL (Simple Authentication and Security Layer) protocolauthentification to access the cache via certificates or http basic authenticationno

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dBASEMemcachedOracle CoherencePouchDB
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