Snowflake materialized views are considered zero maintenance and use compute costs to re-compute its output dataset anytime the base table is updated. This process runs in the background and cannot be controlled by the user. To understand the costs associated with your materialized views, use can use either the Snowflake web UI under the Admin >> Usage tab or the CREDITS_USED column in the table function MATERIALIZED_VIEW_REFRESH_HISTORY found in the Snowflake Information schema or MATERIALIZED_VIEW_REFRESH_HISTORY View view in Account Usage.