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DBMS > Realm vs. RRDtool vs. SQL.JS

System Properties Comparison Realm vs. RRDtool vs. SQL.JS

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Editorial information provided by DB-Engines
NameRealm  Xexclude from comparisonRRDtool  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 DataIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.Port of SQLite to JavaScript
Primary database modelDocument storeTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.60
Rank#52  Overall
#9  Document stores
Score1.87
Rank#136  Overall
#11  Time Series DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websiterealm.iooss.oetiker.ch/­rrdtoolsql.js.org
Technical documentationrealm.io/­docsoss.oetiker.ch/­rrdtool/­docsql.js.org/­documentation/­index.html
DeveloperRealm, acquired by MongoDB in May 2019Tobias OetikerAlon Zakai infoenhancements implemented by others
Initial release201419992012
Current release1.8.0, 2022
License infoCommercial or Open SourceOpen SourceOpen Source infoGPL V2 and FLOSSOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC infoImplementations in Java (e.g. RRD4J) and C# availableJavaScript
Server operating systemsAndroid
Backend: server-less
iOS
Windows
HP-UX
Linux
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesNumeric data onlyyes
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 infoExporting into and restoring from XML files possibleno
Secondary indexesyesno
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supported
APIs and other access methodsin-process shared library
Pipes
JavaScript API
Supported programming languages.Net
Java infowith Android only
Objective-C
React Native
Swift
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessarynono
Triggersyes infoChange Listenersnono
Partitioning methods infoMethods for storing different data on different nodesnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynonenone
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayes infoby using the rrdcached daemon
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 controlyesnono

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More resources
RealmRRDtoolSQL.JS
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