.  Create the `sales_record_m0_to_m0` child table as follows:      warehouse_db=# CREATE TABLE sales_record_m0_to_m0       (       PRIMARY KEY (id, sales_date),       CHECK (sales_date >= DATE '0000-00-00'       AND sales_date < DATE '0000-00-00')       )       INHERITS (sales_record);  This child table will contain data of Ma