Question: Question 7 (Total 20 points): Write SQL statements to answer questions 1.1, 1.2, 1.3 and 1.4 based on the following schema. Primary keys are( BOLD

Question 7 (Total 20 points): Write SQL statements to answer questions 1.1, 1.2, 1.3 and 1.4 based on the following schema. Primary keys are( BOLD and italicized) and attributes with the same names in different tables are foreign keys Doctora (doctorrd, doctorName, specialty) Patients (patientId, patientName, 6 sex, patientBalance, numberofvisits) Records (doctorid, patientrd, date, diagnosis, visitcost) 7.1) (2 Points) Find the cost of the most expensive visit (Remember: Aggregate functions) 7. 2) (3 Points) For each doctor, list doctor identifier, doctor name and the total number of visits that were administered by the doctor

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