Given the following query on the Delta table ‘customers’ on which Change Data Feed is enabled: spark . read . option ( "readChangeFeed" , "true" ) . option ( "startingVersion" , 0 ) . table ( "customers" ) . filter ( col ( "_change_type" ). isin ([ "update_postimage" ])) . write . mode ( "append" ) . table ( "customers_updates" ) Which statement describes the result of this query each time it is executed ?