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DBMS > Apache IoTDB vs. EsgynDB vs. Lovefield vs. Weaviate

System Properties Comparison Apache IoTDB vs. EsgynDB vs. Lovefield vs. Weaviate

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Editorial information provided by DB-Engines
NameApache IoTDB  Xexclude from comparisonEsgynDB  Xexclude from comparisonLovefield  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionA lightweight IoT native database management system deployable on the device and syncing the collected data with the cloud and integrated with Hadoop and SparkEnterprise-class SQL-on-Hadoop solution, powered by Apache TrafodionEmbeddable relational database for web apps written in pure JavaScriptA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelTime Series DBMSRelational DBMSRelational DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#290  Overall
#24  Time Series DBMS
Score0.24
Rank#279  Overall
#128  Relational DBMS
Score0.39
Rank#255  Overall
#120  Relational DBMS
Score0.18
Rank#292  Overall
#15  Search engines
Websiteiotdb.apache.orgwww.esgyn.cngoogle.github.io/­lovefieldgithub.com/­semi-technologies/­weaviate
www.semi.technology/­solutions/­weaviate
Technical documentationgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdwww.semi.technology/­developers/­weaviate/­current
DeveloperApache Software FoundationEsgynGoogleSeMI Technologies B.V.
Initial release2018201520142017
Current release2.1.12, February 20171.0.3, January 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoApache 2.0Open Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++, JavaJavaScriptGo
Server operating systemsAll OS with a Java VM (>= 1.8)Linuxserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, Safari
Data schemeyesyesyesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyesyes 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 indexesyesyesyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL-like query languageyesSQL-like query language infovia JavaScript builder patternGraphQL is used as query language
APIs and other access methodsJDBCADO.NET
JDBC
ODBC
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesAll languages supporting JDBC/ODBC/ADO.NetJavaScript
Server-side scripts infoStored proceduresnoJava Stored Proceduresnono
TriggersnonoUsing read-only observersno
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication between multi datacentersnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsIntegration with Hadoop and Sparkyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency with synchronizing with the cloudImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infousing MemoryDBno
User concepts infoAccess controlnofine grained access rights according to SQL-standardnoOpenID Connect Discovery
More information provided by the system vendor
Apache IoTDBEsgynDBLovefieldWeaviate
News

Weaviate in IEEE

Weaviate on DB-engines.com

Introduction & Demo video

FLOSS Weekly Podcast

FOSDEM 2020 video

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More resources
Apache IoTDBEsgynDBLovefieldWeaviate
DB-Engines blog posts

Weaviate, an ANN Database with CRUD support
2 February 2021,  Etienne Dilocker, SeMI Technologies (sponsor) 

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Recent citations in the news

Apache IoTDB now a Top-Level Project at ASF
23 September 2020, SDTimes.com

The Apache Software Foundation Announces Apache® IoTDB™ as
23 September 2020, GlobeNewswire

Apache Promotes IoT Database Project
25 September 2020, Datanami

The Apache® Software Foundation Welcomes its Global Community Online at ApacheCon(TM) Asia 2021
9 June 2021, GlobeNewswire

The Apache® Software Foundation Announces Program for
17 August 2021, GlobeNewswire

provided by Google News

Lovefield: An SQL-like Query Engine by Google
18 November 2014, InfoQ.com

provided by Google News

Weaviate is an open-source search engine powered by ML, vectors, graphs, and GraphQL
7 April 2021, ZDNet

Getting Started with the Weaviate Vector Search Engine
18 May 2020, hackernoon.com

The History of the Weaviate Vector Search Engine
9 May 2020, hackernoon.com

Weaviate Is A Search Engine For Vector Embeddings
11 May 2020, hackernoon.com

Why the rise of vector databases is a revolution for data analysis
7 July 2021, TechGenix

provided by Google News

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