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DBMS > Lovefield vs. OushuDB vs. SQL.JS

System Properties Comparison Lovefield vs. OushuDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOushuDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningPort of SQLite to JavaScript
Primary database modelRelational DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitegoogle.github.io/­lovefieldwww.oushu.com/­product/­oushuDBsql.js.org
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdwww.oushu.com/­documentationsql.js.org/­documentation/­index.html
DeveloperGoogleOushuAlon Zakai infoenhancements implemented by others
Initial release20142012
Current release2.1.12, February 20174.0.1, August 2020
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, SafariLinuxserver-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.nono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternFull-featured ANSI SQL supportyes infoSQL-92 is not fully supported
APIs and other access methodsJDBC
ODBC
JavaScript API
Supported programming languagesJavaScriptC
C++
JavaScript
Server-side scripts infoStored proceduresnoyesno
TriggersUsing read-only observersyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemnone
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
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 MemoryDByes
User concepts infoAccess controlnoKerberos, SSL and role based accessno

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More resources
LovefieldOushuDBSQL.JS
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