Question: make some queries based on this ERD, thank you PART PK PART_ID SERVID PART NUMUSED PART_PRICE PART DESC HAS CAR SERVICE PK SERV_ID PK CAR_ID

 make some queries based on this ERD, thank you PART PK

make some queries based on this ERD, thank you

PART PK PART_ID SERVID PART NUMUSED PART_PRICE PART DESC HAS CAR SERVICE PK SERV_ID PK CAR_ID MECHANIC PK MECH_ID MECH_LNAME MECH FNAME MECH_PHONENUM SERVICE FK1 MECH_ID FK2 CAR_ID SERV_DATE SERV FINISHDATE SERV_COMMENT FK CUST_ID CAR_SERIALNUM IS SERVCE BY CAR_MODEL CAR_YEAR CAR_COLOUR HAS HAS INVOICE PK INVOICE_ID FK1 SERVID INVOICE_TOTAL INVOICE_DATE CUSTOMER PK CUST_D CUST_LNAME CUSTAFNAME CUST PHONENUM CUST ADRESS CUST_CITY CUST_STATE CUST_COUNTRY CUST POSTCODE

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