ClickHouse/docs/en/sql-reference/statements/alter/quota.md

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---
toc_priority: 46
toc_title: QUOTA
---
# ALTER QUOTA {#alter-quota-statement}
Changes quotas.
Syntax:
``` sql
ALTER QUOTA [IF EXISTS] name [ON CLUSTER cluster_name]
[RENAME TO new_name]
[KEYED BY {'none' | 'user name' | 'ip address' | 'client key' | 'client key or user name' | 'client key or ip address'}]
[FOR [RANDOMIZED] INTERVAL number {SECOND | MINUTE | HOUR | DAY | WEEK | MONTH | QUARTER | YEAR}
{MAX { {QUERIES | ERRORS | RESULT ROWS | RESULT BYTES | READ ROWS | READ BYTES | EXECUTION TIME} = number } [,...] |
NO LIMITS | TRACKING ONLY} [,...]]
[TO {role [,...] | ALL | ALL EXCEPT role [,...]}]
```