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Patient ( www er, firstName:varchar(20), Answer questions 2.1 to 2.4 based on the following schema. Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor (doctorId:integer, specialtyID:integer, firstName:varchar (20), lastName: varchar (20), salary:numeric(11,2)) Specialty (specialtyID: SpecialtyCost:numeric(11,2)) Treatment (doctorId:integer, patientSSN:integer, dateTreated:date, ww m w ww www w* ege, SpecialltyName:varchar(20), www. w CostoITreatiC www tment:numeric(11,2)) lastName (20), street:varchar(30), city:varchar(15), state:char (2) , zipCode:integer(5)) 2.1) (4 Points)'Write SQL statements to create the Treatment and Specialty table. Make sure to include entity integrity and referential integrity constraints (if any) in your statements. Only need the create statement for the Treatment and Specialty table, not the rest. 2.2) (2 Points) Devise a reasonable database instance by filling the tables with reasonable data of your choice. Make sure to have at least 3 tuples in each table. Make sure that all tables exhibits entity integrity and referentialintegrity constraints DFocus 66°F Partly

Patient ( www er, firstName:varchar(20), Answer questions 2.1 to 2.4 based on the following schema. Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor (doctorId:integer, specialtyID:integer, firstName:varchar (20), lastName: varchar (20), salary:numeric(11,2)) Specialty (specialtyID: SpecialtyCost:numeric(11,2)) Treatment (doctorId:integer, patientSSN:integer, dateTreated:date, ww m w ww www w* ege, SpecialltyName:varchar(20), www. w CostoITreatiC www tment:numeric(11,2)) lastName (20), street:varchar(30), city:varchar(15), state:char (2) , zipCode:integer(5)) 2.1) (4 Points)'Write SQL statements to create the Treatment and Specialty table. Make sure to include entity integrity and referential integrity constraints (if any) in your statements. Only need the create statement for the Treatment and Specialty table, not the rest. 2.2) (2 Points) Devise a reasonable database instance by filling the tables with reasonable data of your choice. Make sure to have at least 3 tuples in each table. Make sure that all tables exhibits entity integrity and referentialintegrity constraints DFocus 66°F Partly

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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2.1

Answer questions 2.1 to 2.4 based on the following schema. Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor (doctorId:integer, specialtyID:integer, firstName: varchar (20), lastName: varchar (20), salary:numeric (11,2)) Specialty (specialtyID:integer, specialtyName: varchar (20), specialtyCost:numeric (11,2)) Treatment(doctorId: integer, patientSSN: integer, dateTreated:date, costofTreatment:numeric (11,2)) Patient (patientSSN: integer, firstName:varchar (20), lastName:varchar (20), street:varchar (30), city:varchar(15), state:char(2),zip Code:integer (5)) 2.1) (4 Points) Write SQL statements to create the Treatment and Specialty table. Make sure to include entity integrity and referential integrity constraints (if any) in your statements. Only need the create statement for the Treatment and Specialty table, not the rest. 2.2) (2 Points) Devise a reasonable database instance by filling the tables with reasonable data of your choice. Make sure to have at least 3 tuples in each table. Make sure that all tables exhibits entity integrity and referential integrity constraints D. Focus 66°F Partly sunny
Transcribed Image Text:Answer questions 2.1 to 2.4 based on the following schema. Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor (doctorId:integer, specialtyID:integer, firstName: varchar (20), lastName: varchar (20), salary:numeric (11,2)) Specialty (specialtyID:integer, specialtyName: varchar (20), specialtyCost:numeric (11,2)) Treatment(doctorId: integer, patientSSN: integer, dateTreated:date, costofTreatment:numeric (11,2)) Patient (patientSSN: integer, firstName:varchar (20), lastName:varchar (20), street:varchar (30), city:varchar(15), state:char(2),zip Code:integer (5)) 2.1) (4 Points) Write SQL statements to create the Treatment and Specialty table. Make sure to include entity integrity and referential integrity constraints (if any) in your statements. Only need the create statement for the Treatment and Specialty table, not the rest. 2.2) (2 Points) Devise a reasonable database instance by filling the tables with reasonable data of your choice. Make sure to have at least 3 tuples in each table. Make sure that all tables exhibits entity integrity and referential integrity constraints D. Focus 66°F Partly sunny
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