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DBMS > AlaSQL vs. Ehcache vs. HarperDB vs. LokiJS vs. OrientDB

System Properties Comparison AlaSQL vs. Ehcache vs. HarperDB vs. LokiJS vs. OrientDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonEhcache  Xexclude from comparisonHarperDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOrientDB  Xexclude from comparison
DescriptionJavaScript DBMS libraryA widely adopted Java cache with tiered storage optionsUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.In-memory JavaScript DBMSMulti-model DBMS (Document, Graph, Key/Value)
Primary database modelDocument store
Relational DBMS
Key-value storeDocument storeDocument storeDocument store
Graph DBMS
Key-value 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
Score4.89
Rank#67  Overall
#8  Key-value stores
Score0.55
Rank#248  Overall
#38  Document stores
Score0.43
Rank#264  Overall
#42  Document stores
Score3.19
Rank#93  Overall
#16  Document stores
#7  Graph DBMS
#14  Key-value stores
Websitealasql.orgwww.ehcache.orgwww.harperdb.iogithub.com/­techfort/­LokiJSorientdb.org
Technical documentationgithub.com/­AlaSQL/­alasqlwww.ehcache.org/­documentationdocs.harperdb.io/­docstechfort.github.io/­LokiJSwww.orientdb.com/­docs/­last/­index.html
DeveloperAndrey Gershun & Mathias R. WulffTerracotta Inc, owned by Software AGHarperDBOrientDB LTD; CallidusCloud; SAP
Initial release20142009201720142010
Current release3.10.0, March 20223.1, August 20213.2.29, March 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache Version 2; commercial licenses availablecommercial infofree community edition availableOpen SourceOpen Source infoApache version 2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaNode.jsJavaScriptJava
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMLinux
OS X
server-less, requires a JavaScript environment (browser, Node.js)All OS with a Java JDK (>= JDK 6)
Data schemeschema-freeschema-freedynamic schemaschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")
Typing infopredefined data types such as float or datenoyesyes infoJSON data typesnoyes
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 indexesnonoyesyes infovia viewsyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noSQL-like data manipulation statementsnoSQL-like query language, no joins
APIs and other access methodsJavaScript APIJCacheJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
JavaScript APITinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
Supported programming languagesJavaScriptJava.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
JavaScript.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnonoCustom Functions infosince release 3.1View functions in JavaScriptJava, Javascript
Triggersyesyes infoCache Event ListenersnoyesHooks
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoby using Terracotta ServerA table resides as a whole on one (or more) nodes in a clusternoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoby using Terracotta Serveryes infothe nodes on which a table resides can be definednoneMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyesno infocould be achieved with distributed queries
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneTunable Consistency (Strong, Eventual, Weak)Immediate Consistencynone
Foreign keys infoReferential integrityyesnononoyes inforelationship in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageyes infosupports JTA and can work as an XA resourceAtomic execution of specific operationsno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes infousing a tiered cache-storage approachyes, using LMDByes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnonoAccess rights for users and rolesnoAccess rights for users and roles; record level security configurable

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More resources
AlaSQLEhcacheHarperDBLokiJSOrientDB
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