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DBMS > AlaSQL vs. CouchDB vs. HyperSQL vs. LokiJS vs. TerminusDB

System Properties Comparison AlaSQL vs. CouchDB vs. HyperSQL vs. LokiJS vs. TerminusDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonLokiJS  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionJavaScript DBMS libraryA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBIn-memory JavaScript DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelDocument store
Relational DBMS
Document storeRelational DBMSDocument storeGraph DBMS
Secondary database modelsSpatial DBMS infousing the Geocouch extensionDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score9.30
Rank#45  Overall
#7  Document stores
Score3.49
Rank#87  Overall
#47  Relational DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitealasql.orgcouchdb.apache.orghsqldb.orggithub.com/­techfort/­LokiJSterminusdb.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.couchdb.org/­en/­stablehsqldb.org/­web/­hsqlDocsFrame.htmltechfort.github.io/­LokiJSterminusdb.github.io/­terminusdb/­#
DeveloperAndrey Gershun & Mathias R. WulffApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerDataChemist Ltd.
Initial release20142005200120142018
Current release3.3.3, December 20232.7.2, June 202311.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache version 2Open Source infobased on BSD licenseOpen SourceOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptErlangJavaJavaScriptProlog, Rust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Android
BSD
Linux
OS X
Solaris
Windows
All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesserver-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenonoyesnoyes
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.nonononono
Secondary indexesnoyes infovia viewsyesyes infovia views
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesnoSQL-like query language (WOQL)
APIs and other access methodsJavaScript APIRESTful HTTP/JSON APIHTTP API infoJDBC via HTTP
JDBC
ODBC
JavaScript APIOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaScriptC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
All languages supporting JDBC/ODBC
Java
JavaScriptJavaScript
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptJava, SQLView functions in JavaScriptyes
Triggersyesyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoimproved architecture with release 2.0nonenoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
nonenoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesnoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageno infoatomic operations within a single document possibleACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlnoAccess rights for users can be defined per databasefine grained access rights according to SQL-standardnoRole-based access control

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More resources
AlaSQLCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"HyperSQL infoalso known as HSQLDBLokiJSTerminusDB infoformer name was DataChemist
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