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DBMS > Datomic vs. JSqlDb vs. RocksDB vs. SwayDB

System Properties Comparison Datomic vs. JSqlDb vs. RocksDB vs. SwayDB

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonJSqlDb  Xexclude from comparisonRocksDB  Xexclude from comparisonSwayDB  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityJavaScript Query Language Database, stores JavaScript objects and primitivesEmbeddable persistent key-value store optimized for fast storage (flash and RAM)An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database modelRelational DBMSDocument store
Object oriented DBMS
Key-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.00
Rank#384  Overall
#60  Key-value stores
Websitewww.datomic.comjsqldb.org (offline)rocksdb.orgswaydb.simer.au
Technical documentationdocs.datomic.comgithub.com/­facebook/­rocksdb/­wiki
DeveloperCognitectKonrad von BackstromFacebook, Inc.Simer Plaha
Initial release2012201820132018
Current release1.0.7180, July 20240.8, December 20189.4.0, June 2024
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen SourceOpen Source infoBSDOpen Source infoGNU Affero GPL V3.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC++Scala
Server operating systemsAll OS with a Java VMLinux
macOS
Windows
Linux
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnonono
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 indexesyesnonono
SQL infoSupport of SQLnononono
APIs and other access methodsRESTful HTTP APIC++ API
Java API
Supported programming languagesClojure
Java
JavaScriptC
C++
Go
Java
Perl
Python
Ruby
Java
Kotlin
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsfunctions in JavaScriptnono
TriggersBy using transaction functionsnono
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersnonehorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersnoneyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesAtomic execution of operations
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infousing RocksDByesyes
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 developmentyesyes
User concepts infoAccess controlnonono

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More resources
DatomicJSqlDbRocksDBSwayDB
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