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DBMS > DataFS vs. dBASE vs. Oracle Coherence vs. PouchDB vs. SQream DB

System Properties Comparison DataFS vs. dBASE vs. Oracle Coherence vs. PouchDB vs. SQream DB

Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisondBASE  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPouchDB  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.dBase 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.Oracles in-memory data grid solutionJavaScript DBMS with an API inspired by CouchDBa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelObject oriented DBMSRelational DBMSKey-value storeDocument storeRelational DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#354  Overall
#15  Object oriented DBMS
Score10.34
Rank#44  Overall
#28  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.28
Rank#115  Overall
#21  Document stores
Score0.70
Rank#227  Overall
#104  Relational DBMS
Websitenewdatabase.comwww.dbase.comwww.oracle.com/­java/­coherencepouchdb.comsqream.com
Technical documentationdev.mobiland.com/­Overview.xspwww.dbase.com/­support/­knowledgebasedocs.oracle.com/­en/­middleware/­standalone/­coherencepouchdb.com/­guidesdocs.sqream.com
DeveloperMobiland AGAsthon TateOracleApache Software FoundationSQream Technologies
Initial release20181979200720122017
Current release1.1.263, October 2022dBASE 2019, 201914.1, August 20237.1.1, June 20192022.1.6, December 2022
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptC++, CUDA, Haskell, Java, Scala
Server operating systemsWindowsDOS infodBase Classic
Windows infodBase Pro
All OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnoyes, ANSI Standard SQL Types
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 indexesnoyesnoyes infovia viewsno
SQL infoSupport of SQLnonononoyes
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
none infoThe IDE can access other DBMS or ODBC-sources.JCache
JPA
RESTful HTTP API
HTTP REST infoonly for PouchDB Server
JavaScript API
.Net
JDBC
ODBC
Supported programming languages.Net
C
C#
C++
VB.Net
dBase proprietary IDE.Net
C++
Java
JavaScriptC++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresno infoThe IDE can access stored procedures in other database systems.noView functions in JavaScriptuser defined functions in Python
Triggersno, except callback-events from server when changes happenednoyes infoLive Eventsyesno
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemnoneShardingSharding infowith a proxy-based framework, named couchdb-loungehorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency levelMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infonot for dBase internal data, but IDE does support transactions when accessing external DBMSconfigurablenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlWindows-ProfileAccess rights for users and rolesauthentification to access the cache via certificates or http basic authenticationno

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More resources
DataFSdBASEOracle CoherencePouchDBSQream DB
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