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DBMS > EventStoreDB vs. LokiJS vs. Microsoft Azure AI Search vs. SAP Advantage Database Server

System Properties Comparison EventStoreDB vs. LokiJS vs. Microsoft Azure AI Search vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.In-memory JavaScript DBMSSearch-as-a-service for web and mobile app developmentLow-cost RDBMS with access to ISAM and FoxPro data structures
Primary database modelEvent StoreDocument storeSearch engineRelational DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#181  Overall
#1  Event Stores
Score0.44
Rank#256  Overall
#40  Document stores
Score5.75
Rank#58  Overall
#7  Search engines
Websitewww.eventstore.comgithub.com/­techfort/­LokiJSazure.microsoft.com/­en-us/­services/­searchwww.sap.com/products/advantage-database-server.html
Technical documentationdevelopers.eventstore.comtechfort.github.io/­LokiJSlearn.microsoft.com/­en-us/­azure/­search
DeveloperEvent Store LimitedMicrosoftSybase, SAP
Initial release2012201420151993
Current release21.2, February 2021V1
License infoCommercial or Open SourceOpen SourceOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)hostedLinux
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyes
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 indexesyes infovia viewsyesyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsJavaScript APIRESTful HTTP API.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Supported programming languagesJavaScriptC#
Java
JavaScript
Python
Delphi
Perl
PHP
Server-side scripts infoStored proceduresView functions in JavaScriptnoyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoImplicit feature of the cloud serviceMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono infocaching of (temporary) tables can be configured
User concepts infoAccess controlnoyes infousing Azure authenticationfine grained access rights according to SQL-standard

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More resources
EventStoreDBLokiJSMicrosoft Azure AI SearchSAP Advantage Database Server infoformer name: Sybase ADS
DB-Engines blog posts

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