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DBMS > Lovefield vs. Oracle Rdb vs. SQL.JS

System Properties Comparison Lovefield vs. Oracle Rdb vs. SQL.JS

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptPort of SQLite to JavaScript
Primary database modelRelational DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.32
Rank#290  Overall
#132  Relational DBMS
Score1.08
Rank#187  Overall
#85  Relational DBMS
Score0.57
Rank#248  Overall
#114  Relational DBMS
Websitegoogle.github.io/­lovefieldwww.oracle.com/­database/­technologies/­related/­rdb.htmlsql.js.org
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlsql.js.org/­documentation/­index.html
DeveloperGoogleOracle, originally developed by Digital Equipment Corporation (DEC)Alon Zakai infoenhancements implemented by others
Initial release201419842012
Current release2.1.12, February 20177.4.1.1, 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariHP Open VMSserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)yes
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.nonono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternyesyes infoSQL-92 is not fully supported
APIs and other access methodsJavaScript API
Supported programming languagesJavaScriptJavaScript
Server-side scripts infoStored proceduresnono
TriggersUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesno 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 infousing MemoryDBnoyes
User concepts infoAccess controlnono

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More resources
LovefieldOracle RdbSQL.JS
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