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DBMS > Qdrant vs. RethinkDB vs. SpaceTime

System Properties Comparison Qdrant vs. RethinkDB vs. SpaceTime

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Editorial information provided by DB-Engines
NameQdrant  Xexclude from comparisonRethinkDB  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionA high-performance vector database with neural network or semantic-based matchingDBMS for the Web with a mechanism to push updated query results to applications in realtime.SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelVector DBMSDocument storeSpatial DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.23
Rank#171  Overall
#6  Vector DBMS
Score2.84
Rank#106  Overall
#19  Document stores
Score0.00
Rank#396  Overall
#8  Spatial DBMS
Websitegithub.com/­qdrant/­qdrant
qdrant.tech
rethinkdb.comwww.mireo.com/­spacetime
Technical documentationqdrant.tech/­documentationrethinkdb.com/­docs
DeveloperQdrantThe Linux Foundation infosince July 2017Mireo
Initial release202120092020
Current release2.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoApache Version 2commercial
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 languageRustC++C++
Server operating systemsDocker
Linux
macOS
Windows
Linux
OS X
Windows
Linux
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateNumbers, Strings, Geo, Booleanyes infostring, binary, float, bool, date, geometryyes
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 indexesyes infoKeywords, numberic ranges, geo, full-textyesno
SQL infoSupport of SQLnonoA subset of ANSI SQL is implemented
APIs and other access methodsgRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
RESTful HTTP API
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Rust
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C#
C++
Python
Server-side scripts infoStored proceduresno
TriggersClient-side triggers through changefeedsno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding inforange basedFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesCollection-level replicationSource-replica replicationReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency, tunable consistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic single-document operationsno
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCC basedyes
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.yesnono
User concepts infoAccess controlKey-based authenticationyes infousers and table-level permissionsyes

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More resources
QdrantRethinkDBSpaceTime
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