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

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

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Editorial information provided by DB-Engines
NameLMDB  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.
DescriptionA high performant, light-weight, embedded key-value database libraryIn-memory JavaScript DBMSSearch-as-a-service for web and mobile app developmentLow-cost RDBMS with access to ISAM and FoxPro data structures
Primary database modelKey-value storeDocument storeSearch engineRelational DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.94
Rank#120  Overall
#20  Key-value stores
Score0.44
Rank#256  Overall
#40  Document stores
Score5.75
Rank#58  Overall
#7  Search engines
Websitewww.symas.com/­symas-embedded-database-lmdbgithub.com/­techfort/­LokiJSazure.microsoft.com/­en-us/­services/­searchwww.sap.com/products/advantage-database-server.html
Technical documentationwww.lmdb.tech/­doctechfort.github.io/­LokiJSlearn.microsoft.com/­en-us/­azure/­search
DeveloperSymasMicrosoftSybase, SAP
Initial release2011201420151993
Current release0.9.32, January 2024V1
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 languageCJavaScript
Server operating systemsLinux
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)hostedLinux
Windows
Data schemeschema-freeschema-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.nononono
Secondary indexesnoyes infovia viewsyesyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsJavaScript APIRESTful HTTP API.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
JavaScriptC#
Java
JavaScript
Python
Delphi
Perl
PHP
Server-side scripts infoStored proceduresnoView functions in JavaScriptnoyes
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes 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 methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes 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.yesyesnono infocaching of (temporary) tables can be configured
User concepts infoAccess controlnonoyes infousing Azure authenticationfine grained access rights according to SQL-standard

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More resources
LMDBLokiJSMicrosoft Azure AI SearchSAP Advantage Database Server infoformer name: Sybase ADS
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