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DBMS > JSqlDb vs. QuestDB vs. Weaviate

System Properties Comparison JSqlDb vs. QuestDB vs. Weaviate

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Editorial information provided by DB-Engines
NameJSqlDb  Xexclude from comparisonQuestDB  Xexclude from comparisonWeaviate  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionJavaScript Query Language Database, stores JavaScript objects and primitivesA high performance open source SQL database for time series dataA cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database modelDocument store
Object oriented DBMS
Time Series DBMSVector DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.49
Rank#135  Overall
#10  Time Series DBMS
Score1.08
Rank#223  Overall
#4  Vector DBMS
Websitejsqldb.org (offline)questdb.iogithub.com/­semi-technologies/­weaviate
weaviate.io
Technical documentationquestdb.io/­docs/­introductionweaviate.io/­developers/­weaviate/­current
DeveloperKonrad von BackstromQuestDB LimitedWeaviate B.V.
Initial release201820142019
Current release0.8, December 20181.17, December 2022
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0Open Source infocommercial license available with Weaviate Enterprise
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaGo
Server operating systemsLinux
macOS
Windows
Linux
macOS
Windows
Data schemeschema-freeyes infoschema-free via InfluxDB Line Protocolyes, maps to GraphQL interface
Typing infopredefined data types such as float or datenoyesyes 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 indexesnonoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnoSQL-like query languageGraphQL is used as query language
APIs and other access methodsHTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJavaScriptC infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Server-side scripts infoStored proceduresfunctions in JavaScriptnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning (by timestamps)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneConfigurable consistency for N replicasyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID for single-table writesno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infothrough memory mapped filesno
User concepts infoAccess controlOpenID Connect Discovery
More information provided by the system vendor
JSqlDbQuestDBWeaviate
Specific characteristicsRelational model with native time series support Column based storage and time partitioned...
» more
Competitive advantagesReal-time data ingestion and istant SQL queries for time series High performance...
» more
Typical application scenariosApplication metrics Financial market data and algo trading DevOps monitoring Real-time...
» more
As a stand-alone vector search engine, or use one of the many modules (transformers,...
» more
Key customersA ll companies that have data. ​
» more
Licensing and pricing modelsApache 2.0.
» more
Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on...
» more
News

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1 June 2023

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22 May 2023

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19 May 2023

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18 May 2023

QuestDB 7.1.2 Release
16 May 2023

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
JSqlDbQuestDBWeaviate
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