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DBMS > dBASE vs. Oracle Coherence vs. Realm vs. SiteWhere

System Properties Comparison dBASE vs. Oracle Coherence vs. Realm vs. SiteWhere

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Editorial information provided by DB-Engines
NamedBASE  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRealm  Xexclude from comparisonSiteWhere  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.Oracles in-memory data grid solutionA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataM2M integration platform for persisting/querying time series data
Primary database modelRelational DBMSKey-value storeDocument storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.16
Rank#43  Overall
#27  Relational DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score7.18
Rank#52  Overall
#8  Document stores
Score0.07
Rank#347  Overall
#33  Time Series DBMS
Websitewww.dbase.comwww.oracle.com/­java/­coherencerealm.iogithub.com/­sitewhere/­sitewhere
Technical documentationwww.dbase.com/­support/­knowledgebasedocs.oracle.com/­en/­middleware/­standalone/­coherencerealm.io/­docssitewhere1.sitewhere.io/­index.html
DeveloperAsthon TateOracleRealm, acquired by MongoDB in May 2019SiteWhere
Initial release1979200720142010
Current releasedBASE 2019, 201914.1, August 2023
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemsDOS infodBase Classic
Windows infodBase Pro
All OS with a Java VMAndroid
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Data schemeyesschema-freeyespredefined scheme
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesnoyesno
SQL infoSupport of SQLnononono
APIs and other access methodsnone infoThe IDE can access other DBMS or ODBC-sources.JCache
JPA
RESTful HTTP API
HTTP REST
Supported programming languagesdBase proprietary IDE.Net
C++
Java
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresno infoThe IDE can access stored procedures in other database systems.nono inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infoLive Eventsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency levelnoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate 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 DBMSconfigurableACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realmno
User concepts infoAccess controlAccess rights for users and rolesauthentification to access the cache via certificates or http basic authenticationyesUsers with fine-grained authorization concept

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dBASEOracle CoherenceRealmSiteWhere
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