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DBMS > Alibaba Cloud PolarDB vs. Apache Phoenix vs. LokiJS vs. Oracle Coherence vs. Weaviate

System Properties Comparison Alibaba Cloud PolarDB vs. Apache Phoenix vs. LokiJS vs. Oracle Coherence vs. Weaviate

Editorial information provided by DB-Engines
NameAlibaba Cloud PolarDB  Xexclude from comparisonApache Phoenix  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Coherence  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A scale-out RDBMS with evolutionary schema built on Apache HBaseIn-memory JavaScript DBMSOracles in-memory data grid solutionAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelRelational DBMSRelational DBMSDocument storeKey-value storeVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.66
Rank#235  Overall
#108  Relational DBMS
Score2.06
Rank#123  Overall
#58  Relational DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Score1.52
Rank#153  Overall
#5  Vector DBMS
Websitewww.alibabacloud.com/­product/­polardbphoenix.apache.orggithub.com/­techfort/­LokiJSwww.oracle.com/­java/­coherencegithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewphoenix.apache.orgtechfort.github.io/­LokiJSdocs.oracle.com/­en/­middleware/­standalone/­coherenceweaviate.io/­developers/­weaviate
DeveloperAlibabaApache Software FoundationOracleWeaviate B.V.
Initial release2014201420072019
Current release5.0-HBase2, July 2018 and 4.15-HBase1, December 201914.1, August 20231.19, May 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0Open SourcecommercialOpen Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptJavaGo
Server operating systemshostedLinux
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VM
Data schemeyesyes infolate-bound, schema-on-read capabilitiesschema-freeschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesnoyesyes 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.yesnononono
Secondary indexesyesyesyes infovia viewsnoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyesyesnonoGraphQL is used as query language
APIs and other access methodsJDBC
ODBC
JDBCJavaScript APIJCache
JPA
RESTful HTTP API
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJava
Python
C
C#
C++
Go
Groovy
Java
PHP
Python
Scala
JavaScript.Net
C++
Java
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresyesuser defined functionsView functions in JavaScriptnono
Triggersyesnoyesyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceShardingnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
noneyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency or Eventual ConsistencynoneEventual Consistency
Immediate Consistency
Eventual Consistency
Foreign keys infoReferential integrityyesnononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno infoatomic operations within a single collection possibleconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess Control Lists (using HBase ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC, multi-tenancynoauthentification to access the cache via certificates or http basic authenticationAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
Alibaba Cloud PolarDBApache PhoenixLokiJSOracle CoherenceWeaviate
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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Weaviate is an open source vector database that is robust, scalable, cloud-native,...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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Flexible deployment - Free, open source or fully-managed cloud vector database service...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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As a database supporting the development of generative AI and semantic search applications...
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Key customersAll companies that have data. ​
» more
Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
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More resources
Alibaba Cloud PolarDBApache PhoenixLokiJSOracle CoherenceWeaviate
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