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DBMS > Lovefield vs. OpenTSDB vs. SQL.JS

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

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Editorial information provided by DB-Engines
NameLovefield  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionEmbeddable relational database for web apps written in pure JavaScriptScalable Time Series DBMS based on HBasePort of SQLite to JavaScript
Primary database modelRelational DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#293  Overall
#133  Relational DBMS
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitegoogle.github.io/­lovefieldopentsdb.netsql.js.org
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdopentsdb.net/­docs/­build/­html/­index.htmlsql.js.org/­documentation/­index.html
DeveloperGooglecurrently maintained by Yahoo and other contributorsAlon Zakai infoenhancements implemented by others
Initial release201420112012
Current release2.1.12, February 2017
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoLGPLOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes
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 indexesyesno
SQL infoSupport of SQLSQL-like query language infovia JavaScript builder patternnoyes infoSQL-92 is not fully supported
APIs and other access methodsHTTP API
Telnet API
JavaScript API
Supported programming languagesJavaScriptErlang
Go
Java
Python
R
Ruby
JavaScript
Server-side scripts infoStored proceduresnonono
TriggersUsing read-only observersnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBasenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBasenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBasenone
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
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 controlnonono

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More resources
LovefieldOpenTSDBSQL.JS
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