1.create an complex aggregate function from this Foodpanda ERD

2.create complex Trigger

RIDER PK Rider Delivery jo Arrival Time Depature Time Delivery Chargo (1.1) Hande IN ORDER CUSTOMER CONTAIN FOOD PK Customer has has None Password Contact NO Address make HE (1,1) PK OD Restaurant Ticket No Orderime Totalmount FK Customer_ID FKR PKFK1 Order ID PK.TKZ Food JD Quantity UtCout TotalCost PK OLD Nam + Category JD Price (1.1) Description Specification H Ema (ON) (1.1) (1.NO (1 I 11.0 (1.1) provide required need ILNA PREPARATION (11 PAYMENT PROMOTION PK Dayment Payment Date Payment Time Payment Amount Payment Method FK Order PK Promotion Promotion Type PromotionAmount PromotionTime PKFK1Eood JD PKFK Besturant ID preparation preparation preparation_DESCR FK Order_jo 11.10 do RESTAURANT PK Bestant Name Address Opening Clounge