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DBMS > EXASOL vs. Lovefield vs. Prometheus vs. SQL.JS vs. TempoIQ

System Properties Comparison EXASOL vs. Lovefield vs. Prometheus vs. SQL.JS vs. TempoIQ

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonLovefield  Xexclude from comparisonPrometheus  Xexclude from comparisonSQL.JS  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Embeddable relational database for web apps written in pure JavaScriptOpen-source Time Series DBMS and monitoring systemPort of SQLite to JavaScriptScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelRelational DBMSRelational DBMSTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score7.69
Rank#50  Overall
#3  Time Series DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.exasol.comgoogle.github.io/­lovefieldprometheus.iosql.js.orgtempoiq.com (offline)
Technical documentationwww.exasol.com/­resourcesgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdprometheus.io/­docssql.js.org/­documentation/­index.html
DeveloperExasolGoogleAlon Zakai infoenhancements implemented by othersTempoIQ
Initial release20002014201520122012
Current release2.1.12, February 2017
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptGoJavaScript
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 schemeyesyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesNumeric data onlyyesyes
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 infoImport of XML data possiblenono
Secondary indexesyesyesno
SQL infoSupport of SQLyesSQL-like query language infovia JavaScript builder patternnoyes infoSQL-92 is not fully supportedno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
RESTful HTTP/JSON APIJavaScript APIHTTP API
Supported programming languagesJava
Lua
Python
R
JavaScript.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
JavaScriptC#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsnononono
TriggersyesUsing read-only observersnonoyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoby Federationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynonenone
Foreign keys infoReferential integrityyesyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infousing MemoryDBnoyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnononosimple authentication-based access control

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More resources
EXASOLLovefieldPrometheusSQL.JSTempoIQ infoformerly TempoDB
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