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DBMS > Datomic vs. Oracle NoSQL vs. SQream DB vs. Weaviate

System Properties Comparison Datomic vs. Oracle NoSQL vs. SQream DB vs. Weaviate

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonOracle NoSQL  Xexclude from comparisonSQream DB  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA multi-model, scalable, distributed NoSQL database, designed to provide highly reliable, flexible, and available data management across a configurable set of storage nodesa GPU-based, columnar RDBMS for big data analytics workloadsAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelRelational DBMSDocument store
Key-value store
Relational DBMS
Relational DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score3.05
Rank#97  Overall
#17  Document stores
#16  Key-value stores
#50  Relational DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score1.52
Rank#153  Overall
#6  Vector DBMS
Websitewww.datomic.comwww.oracle.com/­database/­nosql/­technologies/­nosqlsqream.comgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationdocs.datomic.comdocs.oracle.com/­en/­database/­other-databases/­nosql-database/­index.htmldocs.sqream.comweaviate.io/­developers/­weaviate
DeveloperCognitectOracleSQream TechnologiesWeaviate B.V.
Initial release2012201120172019
Current release1.0.7075, December 202324.1, May 20242022.1.6, December 20221.19, May 2023
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoProprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)commercialOpen Source infocommercial license available with Weaviate Enterprise
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, ClojureJavaC++, CUDA, Haskell, Java, ScalaGo
Server operating systemsAll OS with a Java VMLinux
Solaris SPARC/x86
Linux
Data schemeyesSupport Fixed schema and Schema-less deployment with the ability to interoperate between them.yesyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesoptionalyes, ANSI Standard SQL Typesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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.nonono
Secondary indexesyesyesnoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLnoSQL-like DML and DDL statementsyesGraphQL is used as query language
APIs and other access methodsRESTful HTTP APIRESTful HTTP API.Net
JDBC
ODBC
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesClojure
Java
C
C#
Go
Java
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresyes infoTransaction Functionsnouser defined functions in Pythonno
TriggersBy using transaction functionsnonono
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersShardinghorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersElectable source-replica replication per shard. Support distributed global deployment with Multi-region table featurenoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infodepending on configuration
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurable infoACID within a storage node (=shard)ACIDno
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)yesyesyes
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 infooff heap cacheyes
User concepts infoAccess controlnoAccess rights for users and rolesAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
DatomicOracle NoSQLSQream DBWeaviate
Specific characteristicsWeaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesFlexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosAs a database supporting the development of generative AI and semantic search applications...
» more
Key customersAll companies that have data. ​
» more
Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsWeaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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DatomicOracle NoSQLSQream DBWeaviate
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