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DBMS > FoundationDB vs. H2 vs. OpenMLDB vs. Qdrant vs. Valentina Server

System Properties Comparison FoundationDB vs. H2 vs. OpenMLDB vs. Qdrant vs. Valentina Server

Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonH2  Xexclude from comparisonOpenMLDB  Xexclude from comparisonQdrant  Xexclude from comparisonValentina Server  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionOrdered key-value store. Core features are complimented by layers.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.An open-source machine learning database that provides a feature platform for training and inferenceA high-performance vector database with neural network or semantic-based matchingObject-relational database and reports server
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Relational DBMSTime Series DBMSVector DBMSRelational DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.97
Rank#191  Overall
#32  Document stores
#28  Key-value stores
#87  Relational DBMS
Score7.57
Rank#47  Overall
#30  Relational DBMS
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score1.53
Rank#145  Overall
#7  Vector DBMS
Score0.18
Rank#313  Overall
#140  Relational DBMS
Websitegithub.com/­apple/­foundationdbwww.h2database.comopenmldb.aigithub.com/­qdrant/­qdrant
qdrant.tech
www.valentina-db.net
Technical documentationapple.github.io/­foundationdbwww.h2database.com/­html/­main.htmlopenmldb.ai/­docs/­zh/­mainqdrant.tech/­documentationvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperFoundationDBThomas Mueller4 Paradigm Inc.QdrantParadigma Software
Initial release20132005202020211999
Current release6.2.28, November 20202.2.220, July 20232024-2 February 20245.7.5
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infodual-licence (Mozilla public license, Eclipse public license)Open SourceOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC++, Java, ScalaRust
Server operating systemsLinux
OS X
Windows
All OS with a Java VMLinuxDocker
Linux
macOS
Windows
Linux
OS X
Windows
Data schemeschema-free infosome layers support schemasyesFixed schemaschema-freeyes
Typing infopredefined data types such as float or dateno infosome layers support typingyesyesNumbers, Strings, Geo, Booleanyes
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 indexesnoyesyesyes infoKeywords, numberic ranges, geo, full-textyes
SQL infoSupport of SQLsupported in specific SQL layer onlyyesyesnoyes
APIs and other access methodsJDBC
ODBC
JDBC
SQLAlchemy
gRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
ODBC
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
JavaC++
Go
Java
Python
Scala
.Net
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresin SQL-layer onlyJava Stored Procedures and User-Defined Functionsnoyes
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnonehorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesWith clustering: 2 database servers on different computers operate on identical copies of a databaseSource-replica replicationCollection-level replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable consistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency, tunable consistency
Foreign keys infoReferential integrityin SQL-layer onlyyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardfine grained access rights according to SQL-standardKey-based authenticationfine grained access rights according to SQL-standard

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More resources
FoundationDBH2OpenMLDBQdrantValentina Server
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