Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows.
Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Assignment : PL/SQL Practice
Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL.
Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows.
Transcribed Image Text:DROP TABLE PATIENT cascade constraints;
DROP TABLE BILLING cascade constraints;
DROP TABLE DOCTOR cascade constraints;
DROP TABLE RENTAL cascade constraints;
DROP TABLE MOVIE cascade constraints;
DROP TABLE CUSTOMER cascade constraints;
CREATE TABLE DOCTOR
(DOC_ID
DOC NAME
DATEHIRED
NUMBER(3),
VARCHAR2(9),
DATE,
NUMBER(12),
VARCHAR2(20),
NUMBER(3),
NUMBER(3),
NUMBER(5),
SALPERMON
AREA
SUPERVISOR_ID
CHGPERAPPT
ANNUAL BONUS
CONSTRAINT DOCTOR_DOC_ID_PK PRIMARY KEY
(DOC_ID));
CREATE TABLE PATIENT
(PT_ID
PT LNAME
PT FNAME
PTDOB
DOC ID
NEXTAPPTDATE
LASTAPPTDATE
NUMBER(3),
VARCHAR2(15),
VARCHAR2(15),
DATE,
NUMBER(3),
DATE,
DATE,
CONSTRAINT PATIENT_PT_ID PK PRIMARY KEY
(PT_ID),
CONSTRAINT PATIENT_DOC_ID_FK FOREIGN
KEY(DOC_ID)
REFERENCES DOCTOR);
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