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DBMS > Datomic vs. FoundationDB vs. NSDb vs. Oracle Rdb vs. SpatiaLite

System Properties Comparison Datomic vs. FoundationDB vs. NSDb vs. Oracle Rdb vs. SpatiaLite

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonFoundationDB  Xexclude from comparisonNSDb  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSpatiaLite  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Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market.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.
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityOrdered key-value store. Core features are complimented by layers.Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesSpatial extension of SQLite
Primary database modelRelational DBMSDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Time Series DBMSRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score1.06
Rank#185  Overall
#31  Document stores
#28  Key-value stores
#85  Relational DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score1.14
Rank#178  Overall
#80  Relational DBMS
Score1.63
Rank#146  Overall
#3  Spatial DBMS
Websitewww.datomic.comgithub.com/­apple/­foundationdbnsdb.iowww.oracle.com/­database/­technologies/­related/­rdb.htmlwww.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentationdocs.datomic.comapple.github.io/­foundationdbnsdb.io/­Architecturewww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlwww.gaia-gis.it/­gaia-sins/­spatialite_topics.html
DeveloperCognitectFoundationDBOracle, originally developed by Digital Equipment Corporation (DEC)Alessandro Furieri
Initial release20122013201719842008
Current release1.0.7075, December 20236.2.28, November 20207.4.1.1, 20215.0.0, August 2020
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoApache 2.0Open Source infoApache Version 2.0commercialOpen Source infoMPL 1.1, GPL v2.0 or LGPL v2.1
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 languageJava, ClojureC++Java, ScalaC++
Server operating systemsAll OS with a Java VMLinux
OS X
Windows
Linux
macOS
HP Open VMSserver-less
Data schemeyesschema-free infosome layers support schemasFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesno infosome layers support typingyes: int, bigint, decimal, stringyesyes
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 indexesyesnoall fields are automatically indexedyesyes
SQL infoSupport of SQLnosupported in specific SQL layer onlySQL-like query languageyesyes
APIs and other access methodsRESTful HTTP APIgRPC
HTTP REST
WebSocket
Supported programming languagesClojure
Java
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
Java
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsin SQL-layer onlynono
TriggersBy using transaction functionsnoyes
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyLinearizable consistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoin SQL-layer onlynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesUsing Apache Luceneyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentnoyes
User concepts infoAccess controlnonono

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More resources
DatomicFoundationDBNSDbOracle RdbSpatiaLite
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