Answered: How can I made this SQL code work on…

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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Question

How can I made this SQL code work on Maria_DB?

--creating the data base

create database databaseproject

use databaseproject;

--DROPING the data bases if its not existed

DROP TABLE Doctor CASCADE CONSTRAINTS PURGE;

DROP TABLE patient CASCADE CONSTRAINTS PURGE;

DROP TABLE tests CASCADE CONSTRAINTS PURGE;

DROP TABLE appointments CASCADE CONSTRAINTS PURGE;

DROP TABLE labortory CASCADE CONSTRAINTS PURGE;

DROP TABLE medicines CASCADE CONSTRAINTS PURGE;

DROP TABLE bill CASCADE CONSTRAINTS PURGE;

DROP view disp

DROP view display2

-- creating the doctor table with the doctor _id as a primary key

create table doctor(

doctor_id int primary key IDENTITY(1,1) not null,

name varchar(15),

specilization varchar(15),

phone varchar(10),

gender varchar(10)

);

-- creating the patient table with the patient_id as a primary key

create table patient(

patient_id int primary key IDENTITY(1,1) not null,

name varchar(15),

age int,

gender varchar(10),

weight int,

cinic varchar(10)

);

-- creating the apointment table with the id int as a primary key

create table appointments(

id int primary key IDENTITY(1,1) not null,

patient_id int foreign key references patient(patient_id),

doctor_id int foreign key references doctor(doctor_id)

);

-- creating the tests table with the test_id as a primary key

create table tests(

test_id int primary key IDENTITY(1,1) not null,

name varchar(10),

duration varchar(10),

patient_id int foreign key references patient(patient_id),

doctor_id int foreign key references doctor(doctor_id)

);

-- creating the labortory table with the id int as a primary key

create table labortory(

id int primary key IDENTITY(1,1) not null,

name varchar(10),

timing varchar(15)

);

-- creating the mediciones table with the medicines_id as a primary key

create table medicines(

medicine_id int primary key IDENTITY(1,1) not null,

medicine_name varchar(10),

prescription varchar(10),

patient_id int foreign key references patient(patient_id),

doctor_id int foreign key references doctor(doctor_id)

);

-- creating the bill table with the bill_id as a primary key

create table bill(

bill_id int primary key IDENTITY(1,1) not null,

patient_id int foreign key references patient(patient_id),

doctor_id int foreign key references doctor(doctor_id),

bill_date datetime

);

--ADDING total in bill using alter

alter table bill

add total int

--Inserting a value In doctor,patient,medicines,bill

insert into doctor values('ibn alhajam','cardiologist','+931122','MALE')

insert into patient values('ali',20,'M',50,'34501699')

insert into medicines values('leflox','2 a day',3,2)

insert into bill values(3,3,'6-12-2020',5000)

--Displaying values from doctor,patient,medicines,bill

select * from doctor

select * from patient

select * from medicines

select * from bill

--Displaying values from doctor where name is ALI

select * from patient where name='ali'

--counting total number of patients

select count(patient_id) from patient

--Displaying values from doctor where name ends in a

select * from doctor where name like '%a'

--Displaying values of patient along with their medicines

select m.medicine_name,m.prescription from patient p

join medicines m on m.patient_id=p.patient_id

where p.name='ali'

--Displaying values of patient along with their medicines and total bill

select m.medicine_name,m.prescription,b.total,p.name from patient p

join medicines m on m.patient_id=p.patient_id

join bill b on b.patient_id=p.patient_id

where p.name='ali'

--CreatING Views

CREATE VIEW disp AS

select m.medicine_name,m.prescription from patient p

join medicines m on m.patient_id=p.patient_id

where p.name='ali'

create view display2 as

select m.medicine_name,m.prescription,b.total,p.name from patient p

join medicines m on m.patient_id=p.patient_id

join bill b on b.patient_id=p.patient_id

where p.name='ali'

--CREATNG ROLES FOR THE VIEWS

CREATE ROLE admin1;

GRANT create table, create view

TO admin1;

create role admin2

grant alter

to admin2

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