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DBMS > Realm vs. SAP SQL Anywhere vs. SQL.JS

System Properties Comparison Realm vs. SAP SQL Anywhere vs. SQL.JS

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Editorial information provided by DB-Engines
NameRealm  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environmentsPort of SQLite to JavaScript
Primary database modelDocument storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.71
Rank#52  Overall
#9  Document stores
Score4.57
Rank#78  Overall
#43  Relational DBMS
Score0.57
Rank#248  Overall
#114  Relational DBMS
Websiterealm.iowww.sap.com/­products/­technology-platform/­sql-anywhere.htmlsql.js.org
Technical documentationrealm.io/­docshelp.sap.com/­docs/­SAP_SQL_Anywheresql.js.org/­documentation/­index.html
DeveloperRealm, acquired by MongoDB in May 2019SAP infoformerly SybaseAlon Zakai infoenhancements implemented by others
Initial release201419922012
Current release17, July 2015
License infoCommercial or Open SourceOpen SourcecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemsAndroid
Backend: server-less
iOS
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.noyesno
Secondary indexesyesyes
SQL infoSupport of SQLnoyesyes infoSQL-92 is not fully supported
APIs and other access methodsADO.NET
HTTP API
JDBC
ODBC
JavaScript API
Supported programming languages.Net
Java infowith Android only
Objective-C
React Native
Swift
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessaryyes, in C/C++, Java, .Net or Perlno
Triggersyes infoChange Listenersyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replication infoDatabase mirroringnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realmyesyes
User concepts infoAccess controlyesfine grained access rights according to SQL-standardno

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More resources
RealmSAP SQL Anywhere infoformerly called Adaptive Server AnywhereSQL.JS
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