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DBMS > AlaSQL vs. SQL.JS vs. TerarkDB

System Properties Comparison AlaSQL vs. SQL.JS vs. TerarkDB

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonSQL.JS  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryPort of SQLite to JavaScriptA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelDocument store
Relational DBMS
Relational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.64
Rank#219  Overall
#33  Document stores
#108  Relational DBMS
Score1.15
Rank#161  Overall
#79  Relational DBMS
Score0.02
Rank#341  Overall
#53  Key-value stores
Websitealasql.orgsql.js.orggithub.com/­Terark/­terarkdb
Technical documentationgithub.com/­agershun/­alasqlsql.js.org/­documentation/­index.htmlgithub.com/­Terark/­terarkdb/­wiki
DeveloperAndrey Gershun & Mathias R. WulffAlon Zakai infoenhancements implemented by othersTerark
Initial release201420122016
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Sourcecommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaScriptC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesno
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 indexesnono
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yes infoSQL-92 is not fully supportedno
APIs and other access methodsJavaScript APIJavaScript APIC++ API
Java API
Supported programming languagesJavaScriptJavaScriptC++
Java
Server-side scripts infoStored proceduresnonono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenone
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 datayes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageno 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.yesyesyes
User concepts infoAccess controlnonono

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More resources
AlaSQLSQL.JSTerarkDB
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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