DBMS > ClickHouse vs. Quasardb
System Properties Comparison ClickHouse vs. Quasardb
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|Editorial information provided by DB-Engines
|ClickHouse Xexclude from comparison
|Quasardb Xexclude from comparison
|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.
|Distributed, high-performance timeseries database
|Primary database model
|Time Series DBMS
|Secondary database models
|Time Series DBMS
|v188.8.131.528-stable, December 2023
|3.14.1, January 2024
|License Commercial or Open Source
|Open Source Apache 2.0
|commercial Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
|Cloud-based only Only available as a cloud service
|DBaaS offerings (sponsored links) Database as a Service
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems
|Typing predefined data types such as float or date
|yes integer and binary
|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 with tags
|SQL Support of SQL
|Close to ANSI SQL (SQL/JSON + extensions)
|SQL-like query language
|APIs and other access methods
MySQL wire protocol
PostgreSQL wire protocol
|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 consistent hashing
|Replication methods Methods for redundantly storing data on multiple nodes
|Asynchronous and synchronous physical replication; geographically distributed replicas; support for object storages.
|Source-replica replication with selectable replication factor
|MapReduce Offers an API for user-defined Map/Reduce methods
|with Hadoop integration
|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
|Concurrency Support for concurrent manipulation of data
|Durability Support for making data persistent
|yes by using LevelDB
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.
|yes Transient mode
|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.
|Cryptographically strong user authentication and audit trail
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|Related products and services
|Aiven for Clickhouse: Managed cloud data warehousing with high-speed analytics.
DoubleCloud: Fully managed ClickHouse alongside best-in-class managed open-source services to build analytics at scale.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Recent citations in the news
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