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

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

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Editorial information provided by DB-Engines
Name	LokiJS  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	NSDb  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	In-memory JavaScript DBMS	Search-as-a-service for web and mobile app development	Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Document store	Search engine	Time Series DBMS	Relational DBMS
Secondary database models		Vector DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.49 Rank #260   Overall #42   Document stores	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.08 Rank #369   Overall #40   Time Series DBMS
Website	github.com/­techfort/­LokiJS	azure.microsoft.com/­en-us/­services/­search	nsdb.io	www.sap.com/products/advantage-database-server.html
Technical documentation	techfort.github.io/­LokiJS	learn.microsoft.com/­en-us/­azure/­search	nsdb.io/­Architecture
Developer		Microsoft		Sybase, SAP
Initial release	2014	2015	2017	1993
Current release		V1
License Commercial or Open Source	Open Source	commercial	Open Source Apache Version 2.0	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
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Implementation language	JavaScript		Java, Scala
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	Linux macOS	Linux Windows
Data scheme	schema-free	yes		yes
Typing predefined data types such as float or date	no	yes	yes: int, bigint, decimal, string	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	no	no
Secondary indexes	yes via views	yes	all fields are automatically indexed	yes
SQL Support of SQL	no	no	SQL-like query language	yes
APIs and other access methods	JavaScript API	RESTful HTTP API	gRPC HTTP REST WebSocket	.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages	JavaScript	C# Java JavaScript Python	Java Scala	Delphi Perl PHP
Server-side scripts Stored procedures	View functions in JavaScript	no	no	yes
Triggers	yes	no		yes
Partitioning methods Methods for storing different data on different nodes	none	Sharding Implicit feature of the cloud service	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	none	yes Implicit feature of the cloud service		Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	none	Immediate Consistency	Eventual Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no atomic operations within a single collection possible	no	no	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.	yes	Using Apache Lucene	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no		no caching of (temporary) tables can be configured
User concepts Access control	no	yes using Azure authentication		fine grained access rights according to SQL-standard
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More resources
	LokiJS	Microsoft Azure AI Search	NSDb	SAP Advantage Database Server former name: Sybase ADS
DB-Engines blog posts	New kids on the block: database management systems implemented in JavaScript 1 December 2014, Matthias Gelbmann show all
Recent citations in the news	LokiJS - A JavaScript Database 18 November 2014, iProgrammer provided by Google News	Announcing updates to Azure AI Search to help organizations build and scale generative AI applications 4 April 2024, Microsoft Microsoft and ServiceNow at Knowledge 2024: Introducing generative AI innovation 13 June 2024, Microsoft Azure OpenAI Service: Transforming legal practices with generative AI solutions 12 June 2024, Microsoft Public Preview of Azure OpenAI and AI Search in-app connectors for Logic Apps (Standard) | Azure updates 2 April 2024, Microsoft Raise the bar on AI-powered app development with Azure Database for PostgreSQL 5 June 2024, Microsoft provided by Google News		SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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