Mid Term Exam Semester 2 Which statement about group functions is true? Group functions ignore null values. The PAYMENT table contains these columns: PAYMENT_ID NUMBER(9)…
Section 6 1.Examine the structures of the CUSTOMER and ORDER_HISTORY tables: CUSTOMER CUSTOMER_ID NUMBER(5) NAME VARCHAR2(25) CREDIT_LIMIT NUMBER(8,2) OPEN_DATE DATE ORDER_HISTORY…