DBMS > Couchbase vs. Oracle vs. OushuDB
System Properties Comparison Couchbase vs. Oracle vs. OushuDB
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|Editorial information provided by DB-Engines|
|Name||Couchbase Originally called Membase Xexclude from comparison||Oracle Xexclude from comparison||OushuDB Xexclude from comparison|
|Description||A distributed document store with a powerful search engine and in-built operational and analytical capabilities||Widely used RDBMS||A data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning|
|Primary database model||Document store||Relational DBMS||Relational DBMS|
|Secondary database models||Key-value store originating from the former Membase product and supporting the Memcached protocol|
Spatial DBMS using the Geocouch extension
Graph DBMS with Oracle Spatial and Graph
RDF store with Oracle Spatial and Graph
Spatial DBMS with Oracle Spatial and Graph
|Current release||Server: 7.0, July 2021; Mobile: 3, February 2022; Couchbase Capella, October 2021||21c, January 2021||4.0.1, August 2020|
|License Commercial or Open Source||Open Source Apache version 2; Commercial licenses also available||commercial restricted free version is available||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C, C++, Go and Erlang||C and C++|
|Server operating systems||Linux|
|Data scheme||schema-free||yes Schemaless in JSON and XML columns||yes|
|Typing predefined data types such as float or date||yes String, Boolean, Number||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||yes|
|SQL Support of SQL||Declarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.||yes with proprietary extensions||Full-featured ANSI SQL support|
|APIs and other access methods||Native language bindings for CRUD, Query, Search and Analytics APIs||JDBC|
Oracle Call Interface (OCI)
|Supported programming languages||.Net|
|Triggers||yes via the TAP protocol||yes||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding, horizontal partitioning||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication including cross data center replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no can be realized in PL/SQL||Hadoop integration|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Immediate Consistency selectable on a per-operation basis
|Foreign keys Referential integrity||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID isolation level can be parameterized||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes Ephemeral buckets||yes Version 12c introduced the new option 'Oracle Database In-Memory'|
|User concepts Access control||User and Administrator separation with password-based and LDAP integrated Authentication||fine grained access rights according to SQL-standard||Kerberos, SSL and role based access|
More information provided by the system vendor
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|Related products and services|
|3rd parties||CData: Connect to Big Data & NoSQL through standard Drivers.|
|Navicat for Oracle improves the efficiency and productivity of Oracle developers and administrators with a streamlined working environment.|
SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Couchbase Originally called Membase||Oracle||OushuDB|
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