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DBMS > AlaSQL vs. Amazon DocumentDB vs. Ehcache vs. EXASOL vs. LokiJS

System Properties Comparison AlaSQL vs. Amazon DocumentDB vs. Ehcache vs. EXASOL vs. LokiJS

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAmazon DocumentDB  Xexclude from comparisonEhcache  Xexclude from comparisonEXASOL  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionJavaScript DBMS libraryFast, scalable, highly available, and fully managed MongoDB-compatible database serviceA widely adopted Java cache with tiered storage optionsHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.In-memory JavaScript DBMS
Primary database modelDocument store
Relational DBMS
Document storeKey-value storeRelational DBMSDocument 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
Score1.91
Rank#132  Overall
#24  Document stores
Score4.89
Rank#67  Overall
#8  Key-value stores
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Websitealasql.orgaws.amazon.com/­documentdbwww.ehcache.orgwww.exasol.comgithub.com/­techfort/­LokiJS
Technical documentationgithub.com/­AlaSQL/­alasqlaws.amazon.com/­documentdb/­resourceswww.ehcache.org/­documentationwww.exasol.com/­resourcestechfort.github.io/­LokiJS
DeveloperAndrey Gershun & Mathias R. WulffTerracotta Inc, owned by Software AGExasol
Initial release20142019200920002014
Current release3.10.0, March 2022
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infoApache Version 2; commercial licenses availablecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyesyesno
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 indexesnoyesnoyesyes infovia views
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonoyesno
APIs and other access methodsJavaScript APIproprietary protocol using JSON (MongoDB compatible)JCache.Net
JDBC
ODBC
WebSocket
JavaScript API
Supported programming languagesJavaScriptGo
Java
JavaScript (Node.js)
PHP
Python
JavaJava
Lua
Python
R
JavaScript
Server-side scripts infoStored proceduresnononouser defined functionsView functions in JavaScript
Triggersyesnoyes infoCache Event Listenersyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infoby using Terracotta ServerShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-availability zones for high availability, asynchronous replication for up to 15 read replicasyes infoby using Terracotta Servernone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)noyes infoHadoop integrationyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate Consistencynone
Foreign keys infoReferential integrityyesno infotypically not used, however similar functionality with DBRef possiblenoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageAtomic single-document operationsyes infosupports JTA and can work as an XA resourceACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infousing a tiered cache-storage approachyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnoAccess rights for users and rolesnoAccess rights for users, groups and roles according to SQL-standardno

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More resources
AlaSQLAmazon DocumentDBEhcacheEXASOLLokiJS
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