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DBMS > AlaSQL vs. NebulaGraph vs. SQL.JS vs. Weaviate

System Properties Comparison AlaSQL vs. NebulaGraph vs. SQL.JS vs. Weaviate

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonNebulaGraph  Xexclude from comparisonSQL.JS  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionJavaScript DBMS libraryA distributed, linear scalable, high perfomant Graph DBMSPort of SQLite to JavaScriptAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelDocument store
Relational DBMS
Graph DBMSRelational DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.42
Rank#264  Overall
#42  Document stores
#122  Relational DBMS
Score1.92
Rank#122  Overall
#11  Graph DBMS
Score0.53
Rank#246  Overall
#115  Relational DBMS
Score1.48
Rank#149  Overall
#8  Vector DBMS
Websitealasql.orggithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
sql.js.orggithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationgithub.com/­AlaSQL/­alasqldocs.nebula-graph.iosql.js.org/­documentation/­index.htmlweaviate.io/­developers/­weaviate
DeveloperAndrey Gershun & Mathias R. WulffVesoft Inc.Alon Zakai infoenhancements implemented by othersWeaviate B.V.
Initial release2014201920122019
Current release1.19, May 2023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache Version 2.0 + Common Clause 1.0Open SourceOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC++JavaScriptGo
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeStrong typed schemayesyes, maps to GraphQL interface
Typing infopredefined data types such as float or datenoyesyesyes 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.nononono
Secondary indexesnoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query languageyes infoSQL-92 is not fully supportedGraphQL is used as query language
APIs and other access methodsJavaScript APIBrowser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
JavaScript APIGraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJavaScript.Net
C++
Go
Java
PHP
Python
JavaScriptJavaScript / TypeScript
Python
Server-side scripts infoStored proceduresnouser defined functionsnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneCausal Clustering using Raft protocolnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencynoneEventual Consistency
Foreign keys infoReferential integrityyesyes infoRelationships in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes infousing RocksDBno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnoRole-based access controlnoAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
AlaSQLNebulaGraphSQL.JSWeaviate
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Weaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Flexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
As a database supporting the development of generative AI and semantic search applications...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
All companies that have data. ​
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
As of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more
Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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AlaSQLNebulaGraphSQL.JSWeaviate
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