system.grants 

Privileges granted to ClickHouse user accounts.

Columns:
- user_name (Nullable(String)) — User name.

• role_name (Nullable(String)) — Role assigned to user account.

• access_type (Enum8) — Access parameters for ClickHouse user account.

• database (Nullable(String)) — Name of a database.

• table (Nullable(String)) — Name of a table.

• column (Nullable(String)) — Name of a column to which access is granted.

• is_partial_revoke (UInt8) — Logical value. It shows whether some privileges have been revoked. Possible values:

• 0 — The row describes a partial revoke.

• 1 — The row describes a grant.

• grant_option (UInt8) — Permission is granted WITH GRANT OPTION, see GRANT.

Original article