DBMS > ClickHouse vs. CouchDB vs. JSqlDb
System Properties Comparison ClickHouse vs. CouchDB vs. JSqlDb
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|Editorial information provided by DB-Engines
|ClickHouse Xexclude from comparison
|CouchDB stands for "Cluster Of Unreliable Commodity Hardware" Xexclude from comparison
|JSqlDb Xexclude from comparison
|JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
|A high-performance, column-oriented SQL DBMS for online analytical processing (OLAP) that uses all available system resources to their full potential to process each analytical query as fast as possible. It is available as both an open-source software and a cloud offering.
|A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.
|Primary database model
Object oriented DBMS
|Secondary database models
|Time Series DBMS
|Spatial DBMS using the Geocouch extension
|Apache Software Foundation Apache top-level project, originally developed by Damien Katz, a former Lotus Notes developer
|Konrad von Backstrom
|v188.8.131.528-stable, December 2023
|3.3.3, December 2023
|0.8, December 2018
|License Commercial or Open Source
|Open Source Apache 2.0
|Open Source Apache version 2
|Cloud-based only Only available as a cloud service
|DBaaS offerings (sponsored links) Database as a Service
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|Server operating systems
|Typing predefined data types such as float or date
|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 via views
|SQL Support of SQL
|Close to ANSI SQL (SQL/JSON + extensions)
|APIs and other access methods
MySQL wire protocol
PostgreSQL wire protocol
|RESTful HTTP/JSON API
|Supported programming languages
|C# 3rd party library
Elixir 3rd party library
Go 3rd party library
Java 3rd party library
Kotlin 3rd party library
Nim 3rd party library
Perl 3rd party library
PHP 3rd party library
Python 3rd party library
R 3rd party library
Ruby 3rd party library
Scala 3rd party library
|Server-side scripts Stored procedures
|Partitioning methods Methods for storing different data on different nodes
|key based and custom
|Sharding improved architecture with release 2.0
|Replication methods Methods for redundantly storing data on multiple nodes
|Asynchronous and synchronous physical replication; geographically distributed replicas; support for object storages.
|MapReduce Offers an API for user-defined Map/Reduce methods
|Consistency concepts Methods to ensure consistency in a distributed system
|Foreign keys Referential integrity
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data
|no atomic operations within a single document possible
|Concurrency Support for concurrent manipulation of data
|yes strategy: optimistic locking
|Durability Support for making data persistent
|yes using RocksDB
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.
|User concepts Access control
|Access rights for users and roles. Column and row based policies. Quotas and resource limits. Pluggable authentication with LDAP and Kerberos. Password based, X.509 certificate, and SSH key authentication.
|Access rights for users can be defined per database
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|Related products and services
|DoubleCloud: Fully managed ClickHouse alongside best-in-class managed open-source services to build analytics at scale.
Aiven for Clickhouse: Managed cloud data warehousing with high-speed analytics.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|CouchDB stands for "Cluster Of Unreliable Commodity Hardware"
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