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DBMS > BigchainDB vs. Datomic vs. EJDB

System Properties Comparison BigchainDB vs. Datomic vs. EJDB

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Editorial information provided by DB-Engines
NameBigchainDB  Xexclude from comparisonDatomic  Xexclude from comparisonEJDB  Xexclude from comparison
DescriptionBigchainDB is scalable blockchain database offering decentralization, immutability and native assetsDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityEmbeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelDocument storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.77
Rank#200  Overall
#32  Document stores
Score1.70
Rank#138  Overall
#68  Relational DBMS
Score0.10
Rank#314  Overall
#41  Document stores
Websitewww.bigchaindb.comwww.datomic.comejdb.org
Technical documentationbigchaindb.readthedocs.io/­en/­latestdocs.datomic.comgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperCognitectSoftmotions
Initial release201620122012
Current release1.0.6362, January 2022
License infoCommercial or Open SourceOpen Source infoAGPL v3commercial infolimited edition freeOpen Source infoGPLv2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePythonJava, ClojureC
Server operating systemsLinuxAll OS with a Java VMserver-less
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyes infostring, integer, double, bool, date, object_id
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.nono
Secondary indexesyesno
SQL infoSupport of SQLnonono
APIs and other access methodsCLI Client
RESTful HTTP API
RESTful HTTP APIin-process shared library
Supported programming languagesGo
Haskell
Java
JavaScript
Python
Ruby
Clojure
Java
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresyes infoTransaction Functionsno
TriggersBy using transaction functionsno
Partitioning methods infoMethods for storing different data on different nodesShardingnone infoBut extensive use of caching in the application peersnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornone infoBut extensive use of caching in the application peersnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonono infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoRead/Write Locking
Durability infoSupport for making data persistentyes,with MongoDB ord RethinkDByes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
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 development
User concepts infoAccess controlyesnono

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More resources
BigchainDBDatomicEJDB
Recent citations in the news

BigchainDB, co-founder of Ocean Protocol, wins 3 tenders for Gaia-X Federation Services
31 January 2022, GlobeNewswire

Blockchain Technology Market High Demand, Trends, Future Growth, Forecasts Research, Top Manufacturers and
17 May 2022, EIN News

Global Blockchain in Telecoms Industry 2022-2026 Featuring Profiles of Accenture, Amazon, BigchainDB, BlockCypher, ClearX Blockchain Technologies, IBM, Intel, and Oracle Among Other Leading Players
15 March 2022, PR Newswire

Blockchain Database Startup BigchainDB Raises €3 Million
27 September 2016, CoinDesk

Managing Data Storage with Blockchain and BigchainDB
6 April 2016, SitePoint

provided by Google News

The Datomic Information Model
1 February 2013, InfoQ.com

The Architecture of Datomic
2 November 2012, InfoQ.com

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Brazil's Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

provided by Google News

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