Three relational schemas are given below. • Patient (patientID, name, address, age) Doctor (doctorID, name, specialty, yearsExperience) Diagnosis (diagnosisID. patientID, doctorID, diagnosisName, prescription) NOTE: Express each of the provided information needs as a relational algebra query using only projection (r), selection (a), renaming (p), inner joins (0), set union/intersection (U, n), and division You may write your queries using either the symbol (i.e. n) using the 'Insert Math Equation' option or the operations' word terminology (i.e. projection). (1) Find the ID's of patients who have been diagnosed by a doctor with more than 15 years and less than 10 years experience. (2) Find the prescriptions given by doctors with a "cardiologist" specialty.

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