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ClickHouse Cloud
The best way to use ClickHouse.
Available on AWS, GCP, and Azure.
Bring Your Own Cloud
A fully managed ClickHouse Cloud service,
deployed in your own AWS account.
ClickHouse
Spin up a database with open-source
ClickHouse
View 100+ integrations
View 100+ integrations
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Skip to main content
Products
ClickHouse Cloud
The best way to use ClickHouse.
Available on AWS, GCP, and Azure.
Bring Your Own Cloud
A fully managed ClickHouse Cloud service,
deployed in your own AWS account.
ClickHouse
Spin up a database with open-source
ClickHouse
View 100+ integrations
View 100+ integrations
Use cases
Real-time analytics
Machine learning and GenAI
Business intelligence
Logs, events, and traces
All use cases
All use cases
Docs
Resources
User stories
Blog
Learning and Certification
ClickHouse Academy
Free live training
ClickHouse Certification
Comparisons
BigQuery
PostgreSQL
Redshift
Rockset
Snowflake
Videos
Demos
Pricing
Contact us
41.0k
Search
Sign in
Get started
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Introduction
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Syntax
Input and Output Formats
Data Types
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Statements
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SELECT
▼
INSERT INTO
CREATE
▼
ALTER
▼
COLUMN
PARTITION
SETTING
DELETE
UPDATE
ORDER BY
SAMPLE BY
INDEX
CONSTRAINT
TTL
STATISTICS
USER
APPLY DELETED MASK
QUOTA
ROLE
ROW POLICY
SETTINGS PROFILE
PROJECTION
VIEW
ALTER TABLE ... MODIFY COMMENT
ALTER DATABASE ... MODIFY COMMENT
NAMED COLLECTION
DELETE
SYSTEM
SHOW
GRANT
EXPLAIN
REVOKE
ATTACH
CHECK TABLE
DESCRIBE TABLE
DETACH
DROP
EXISTS
KILL
OPTIMIZE
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Introduction
Statements
ALTER
ROLE
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ALTER ROLE
Changes roles.
Syntax:
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