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DBMS > OpenMLDB vs. Oracle NoSQL vs. PouchDB vs. Sequoiadb

System Properties Comparison OpenMLDB vs. Oracle NoSQL vs. PouchDB vs. Sequoiadb

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonOracle NoSQL  Xexclude from comparisonPouchDB  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionAn open-source machine learning database that provides a feature platform for training and inferenceA multi-model, scalable, distributed NoSQL database, designed to provide highly reliable, flexible, and available data management across a configurable set of storage nodesJavaScript DBMS with an API inspired by CouchDBNewSQL database with distributed OLTP and SQL
Primary database modelTime Series DBMSDocument store
Key-value store
Relational DBMS
Document storeDocument store
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#339  Overall
#30  Time Series DBMS
Score3.07
Rank#86  Overall
#15  Document stores
#11  Key-value stores
#47  Relational DBMS
Score2.18
Rank#114  Overall
#21  Document stores
Score0.42
Rank#263  Overall
#41  Document stores
#121  Relational DBMS
Websiteopenmldb.aiwww.oracle.com/­database/­nosql/­technologies/­nosqlpouchdb.comwww.sequoiadb.com
Technical documentationopenmldb.ai/­docs/­zh/­maindocs.oracle.com/­en/­database/­other-databases/­nosql-database/­index.htmlpouchdb.com/­guideswww.sequoiadb.com/­en/­index.php?m=Files&a=index
Developer4 Paradigm Inc.OracleApache Software FoundationSequoiadb Ltd.
Initial release2020201120122013
Current release2024-2 February 202424.1, May 20247.1.1, June 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoProprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)Open SourceOpen Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java, ScalaJavaJavaScriptC++
Server operating systemsLinuxLinux
Solaris SPARC/x86
server-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeFixed schemaSupport Fixed schema and Schema-less deployment with the ability to interoperate between them.schema-freeschema-free
Typing infopredefined data types such as float or dateyesoptionalnoyes infooid, date, timestamp, binary, regex
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 indexesyesyesyes infovia viewsyes
SQL infoSupport of SQLyesSQL-like DML and DDL statementsnoSQL-like query language
APIs and other access methodsJDBC
SQLAlchemy
RESTful HTTP APIHTTP REST infoonly for PouchDB Server
JavaScript API
proprietary protocol using JSON
Supported programming languagesC++
Go
Java
Python
Scala
C
C#
Go
Java
JavaScript (Node.js)
Python
JavaScript.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresnonoView functions in JavaScriptJavaScript
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingSharding infowith a proxy-based framework, named couchdb-loungeSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationElectable source-replica replication per shard. Support distributed global deployment with Multi-region table featureMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integrationyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infodepending on configuration
Eventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurable infoACID within a storage node (=shard)noDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infooff heap cacheyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesnosimple password-based access control

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More resources
OpenMLDBOracle NoSQLPouchDBSequoiadb
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