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DBMS > Datomic vs. RDFox vs. RocksDB vs. Splunk vs. SwayDB

System Properties Comparison Datomic vs. RDFox vs. RocksDB vs. Splunk vs. SwayDB

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonRDFox  Xexclude from comparisonRocksDB  Xexclude from comparisonSplunk  Xexclude from comparisonSwayDB  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityHigh performance knowledge graph and semantic reasoning engineEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Analytics Platform for Big DataAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database modelRelational DBMSGraph DBMS
RDF store
Key-value storeSearch engineKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score0.22
Rank#305  Overall
#25  Graph DBMS
#15  RDF stores
Score2.84
Rank#97  Overall
#16  Key-value stores
Score93.02
Rank#13  Overall
#2  Search engines
Score0.00
Rank#384  Overall
#60  Key-value stores
Websitewww.datomic.comwww.oxfordsemantic.techrocksdb.orgwww.splunk.comswaydb.simer.au
Technical documentationdocs.datomic.comdocs.oxfordsemantic.techgithub.com/­facebook/­rocksdb/­wikidocs.splunk.com/­Documentation/­Splunk
DeveloperCognitectOxford Semantic TechnologiesFacebook, Inc.Splunk Inc.Simer Plaha
Initial release20122017201320032018
Current release1.0.7180, July 20246.0, Septermber 20229.4.0, June 2024
License infoCommercial or Open Sourcecommercial infolimited edition freecommercialOpen Source infoBSDcommercial infoLimited free edition and free developer edition availableOpen Source infoGNU Affero GPL V3.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC++C++Scala
Server operating systemsAll OS with a Java VMLinux
macOS
Windows
LinuxLinux
OS X
Solaris
Windows
Data schemeyesyes infoRDF schemasschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesnoyesno
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.nonoyesno
Secondary indexesyesnoyesno
SQL infoSupport of SQLnononono infoSplunk Search Processing Language for search commandsno
APIs and other access methodsRESTful HTTP APIRESTful HTTP API
SPARQL 1.1
C++ API
Java API
HTTP REST
Supported programming languagesClojure
Java
C
Java
C
C++
Go
Java
Perl
Python
Ruby
C#
Java
JavaScript
PHP
Python
Ruby
Java
Kotlin
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsnoyesno
TriggersBy using transaction functionsyesno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peershorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersreplication via a shared file systemyesMulti-source replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDyesno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingAtomic execution of operations
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyesyes
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 developmentyesyesnoyes
User concepts infoAccess controlnoRoles, resources, and access typesnoAccess rights for users and rolesno

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DatomicRDFoxRocksDBSplunkSwayDB
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