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Update access-rights.md

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docs/en/operations/access-rights.md
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@ -101,6 +101,9 @@ Privileges can be granted to a role by the [GRANT](../sql-reference/statements/g
Row policy is a filter that defines which of the rows are available to a user or a role. Row policy contains filters for one particular table, as well as a list of roles and/or users which should use this row policy.
!!! note "Warning"
Row policies makes sense only for users with readonly access. If user can modify table or copy partitions between tables, it defeats the restrictions of row policies.
Management queries:
- [CREATE ROW POLICY](../sql-reference/statements/create/row-policy.md)