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DBMS > Apache IoTDB vs. H2 vs. Weaviate

System Properties Comparison Apache IoTDB vs. H2 vs. Weaviate

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Editorial information provided by DB-Engines
NameApache IoTDB  Xexclude from comparisonH2  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionAn IoT native database with high performance for data management and analysis, deployable on the edge and the cloud and integrated with Hadoop, Spark and FlinkFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelTime Series DBMSRelational DBMSSearch engine
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.36
Rank#264  Overall
#21  Time Series DBMS
Score9.78
Rank#51  Overall
#31  Relational DBMS
Score0.13
Rank#306  Overall
#19  Search engines
Websiteiotdb.apache.orgwww.h2database.comgithub.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationwww.h2database.com/­html/­main.htmlweaviate.io/­developers/­weaviate/­current
DeveloperApache Software FoundationThomas MuellerSeMI Technologies B.V.
Initial release201820052017
Current release2.1.210, January 20221.0.3, January 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaGo
Server operating systemsAll OS with a Java VM (>= 1.8)All OS with a Java VM
Data schemeyesyesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyes 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.nonono
Secondary indexesyesyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL-like query languageyesGraphQL is used as query language
APIs and other access methodsJDBC
Native API
JDBC
ODBC
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJava
Server-side scripts infoStored proceduresyesJava Stored Procedures and User-Defined Functionsno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsIntegration with Hadoop and Sparknono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong Consistency with Raft
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlyesfine grained access rights according to SQL-standardOpenID Connect Discovery
More information provided by the system vendor
Apache IoTDBH2Weaviate
Specific characteristicsApache IoTDB (Internet of Things Database) is a time series data management system...
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Competitive advantagesLow Cost and High Performance Tens of million points write throughput High compression...
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Typical application scenariosIoT / IIoT End-Edge-Cloud Collaboration Real-Time and Historian Time Series Analytics
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As a stand-alone vector search engine, or use one of the many modules (transformers,...
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Key customersOver 200 customers worldwide, including Bosch, Siemens, Komat'su, Alibaba, etc.
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A ll companies that have data. ‚Äč
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Market metrics185+ contributors and 10,000+ times monthly clones on GitHub Rank 7 by commits among...
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Licensing and pricing modelsOpen Source: Apache License v2.0 Pricing for commercial-/cloud-/edge-edition provided...
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Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
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