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DBMS > AlaSQL vs. EventStoreDB vs. Lovefield vs. Prometheus

System Properties Comparison AlaSQL vs. EventStoreDB vs. Lovefield vs. Prometheus

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonEventStoreDB  Xexclude from comparisonLovefield  Xexclude from comparisonPrometheus  Xexclude from comparison
DescriptionJavaScript DBMS libraryIndustrial-strength, open-source database solution built from the ground up for event sourcing.Embeddable relational database for web apps written in pure JavaScriptOpen-source Time Series DBMS and monitoring system
Primary database modelDocument store
Relational DBMS
Event StoreRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score7.69
Rank#50  Overall
#3  Time Series DBMS
Websitealasql.orgwww.eventstore.comgoogle.github.io/­lovefieldprometheus.io
Technical documentationgithub.com/­AlaSQL/­alasqldevelopers.eventstore.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdprometheus.io/­docs
DeveloperAndrey Gershun & Mathias R. WulffEvent Store LimitedGoogle
Initial release2014201220142015
Current release21.2, February 20212.1.12, February 2017
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen SourceOpen Source infoApache 2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaScriptGo
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesNumeric data only
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 possible
Secondary indexesnoyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query language infovia JavaScript builder patternno
APIs and other access methodsJavaScript APIRESTful HTTP/JSON API
Supported programming languagesJavaScriptJavaScript.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
Server-side scripts infoStored proceduresnonono
TriggersyesUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes infoby Federation
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnonenone
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infousing MemoryDBno
User concepts infoAccess controlnonono

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More resources
AlaSQLEventStoreDBLovefieldPrometheus
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