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DBMS > LokiJS vs. MarkLogic vs. Memcached vs. Neo4j vs. Weaviate

System Properties Comparison LokiJS vs. MarkLogic vs. Memcached vs. Neo4j vs. Weaviate

Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonMarkLogic  Xexclude from comparisonMemcached  Xexclude from comparisonNeo4j  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSOperational and transactional Enterprise NoSQL databaseIn-memory key-value store, originally intended for cachingScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelDocument storeDocument store
Native XML DBMS
RDF store infoas of version 7
Search engine
Key-value storeGraph DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#264  Overall
#42  Document stores
Score5.92
Rank#58  Overall
#10  Document stores
#1  Native XML DBMS
#1  RDF stores
#6  Search engines
Score19.42
Rank#32  Overall
#4  Key-value stores
Score44.46
Rank#23  Overall
#1  Graph DBMS
Score1.73
Rank#143  Overall
#5  Vector DBMS
Websitegithub.com/­techfort/­LokiJSwww.marklogic.comwww.memcached.orgneo4j.comgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationtechfort.github.io/­LokiJSdocs.marklogic.comgithub.com/­memcached/­memcached/­wikineo4j.com/­docsweaviate.io/­developers/­weaviate
DeveloperMarkLogic Corp.Danga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalNeo4j, Inc.Weaviate B.V.
Initial release20142001200320072019
Current release11.0, December 20221.6.25, March 20245.19, April 20241.19, May 2023
License infoCommercial or Open SourceOpen Sourcecommercial inforestricted free version is availableOpen Source infoBSD licenseOpen Source infoGPL version3, commercial licenses availableOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageJavaScriptC++CJava, ScalaGo
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeschema-freeschema-free infoSchema can be enforcedschema-freeschema-free and schema-optionalyes, maps to GraphQL interface
Typing infopredefined data types such as float or datenoyesnoyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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.noyesno
Secondary indexesyes infovia viewsyesnoyes infopluggable indexing subsystem, by default Apache Luceneyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnoyes infoSQL92nonoGraphQL is used as query language
APIs and other access methodsJavaScript APIJava API
Node.js Client API
ODBC
proprietary Optic API infoProprietary Query API, introduced with version 9
RESTful HTTP API
SPARQL
WebDAV
XDBC
XQuery
XSLT
Proprietary protocolBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJavaScriptC
C#
C++
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresView functions in JavaScriptyes infovia XQuery or JavaScriptnoyes infoUser defined Procedures and Functionsno
Triggersyesyesnoyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnoneyes using Neo4j FabricSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnone infoRepcached, a Memcached patch, provides this functionallityCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infovia Hadoop Connector, HDFS Direct Access and in-database MapReduce jobsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Eventual Consistency
Foreign keys infoReferential integritynononoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleACID infocan act as a resource manager in an XA/JTA transactionnoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.yesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes, with Range Indexesyes
User concepts infoAccess controlnoRole-based access control at the document and subdocument levelsyes infousing SASL (Simple Authentication and Security Layer) protocolUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)API Keys
OpenID Connect Discovery
More information provided by the system vendor
LokiJSMarkLogicMemcachedNeo4jWeaviate
Specific characteristicsNeo4j delivers graph technology that has been battle tested for performance and scale...
» more
Weaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesNeo4j is the market leader, graph database category creator, and the most widely...
» more
Flexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
As a database supporting the development of generative AI and semantic search applications...
» more
Key customersOver 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
All companies that have data. ​
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
As of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more
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