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DBMS > Datomic vs. Tarantool

System Properties Comparison Datomic vs. Tarantool

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonTarantool  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityIn-memory database with an integrated application server
Primary database modelRelational DBMSKey-value store
Secondary database modelsDocument store
Relational DBMS
Spatial DBMS infowith Tarantool/GIS extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.96
Rank#117  Overall
#57  Relational DBMS
Score1.42
Rank#139  Overall
#26  Key-value stores
Websitewww.datomic.comwww.tarantool.io
Technical documentationdocs.datomic.comwww.tarantool.io/­en/­doc
DeveloperCognitectMail.ru Group
Initial release20122008
Current release0.9.5951, July 20192.4.2, July 2020
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC and C++
Server operating systemsAll OS with a Java VMBSD
Linux
macOS
Data schemeyesschema-free, schema definition possible
Typing infopredefined data types such as float or dateyesstring, double, decimal, uuid, integer, blob, boolean
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 indexesyesyes
SQL infoSupport of SQLnoFull-featured ANSI SQL support
APIs and other access methodsRESTful HTTP APIOpen binary protocol
Supported programming languagesClojure
Java
C
C#
C++
Erlang
Go
Java
JavaScript
Lua
Perl
PHP
Python
Rust
Server-side scripts infoStored proceduresyes infoTransaction FunctionsLua, C and SQL stored procedures
TriggersBy using transaction functionsyes
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersHash sharding based on virtual buckets
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes, with SQL
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID, read commited
Concurrency infoSupport for concurrent manipulation of datayesyes, cooperative multitasking
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes, regular snapshots on disk, write ahead logging
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 developmentyes, full featured in-memory storage engine with persistence
User concepts infoAccess controlnoAccess rights for users and roles

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DatomicTarantool
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