To remove a clustering key that was previously defined on a table in Snowflake, the correct SQL command is ALTER TABLE <TABLE NAME> DROP CLUSTERING KEY. This command removes the existing clustering key from the table, after which Snowflake will no longer re-cluster data based on that key during maintenance operations or after data loading operations.
[Reference: Snowflake Documentation on altering tables, specifically the section on modifying clustering keys: https://docs.snowflake.com/en/sql-reference/sql/alter-table.html#modifying-clustering-keys, , ]
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