PLEASE, HELP ME WITH QUESTION 7 AND 10.

Begin for c in (select table_name from user_tables) loop execute immediate ('drop table '||c.table_name||' cascade constraints'); end loop; End; / /* Assignment_1 */

ALTER SESSION SET NLS_DATE_FORMAT = 'MM/DD/YYYY'; CREATE TABLE DOCTOR ( DOC_ID varchar2(5) PRIMARY KEY, DOC_LNAME varchar2(15), DOC_FNAME varchar2(15), DOC_INITIAL varchar2(1), DOC_SPECIALTY varchar2(15) ); INSERT INTO DOCTOR VALUES('29827','Sanchez','Julio','J','Dermatology'); INSERT INTO DOCTOR VALUES('32445','Jorgensen','Annelise','G','Neurology'); INSERT INTO DOCTOR VALUES('33456','Korenski','Anatoly','A','Urology'); INSERT INTO DOCTOR VALUES('33989','LeGrande','George','','Pediatrics'); INSERT INTO DOCTOR VALUES('34409','Washington','Dennis','F','Orthopaedics'); INSERT INTO DOCTOR VALUES('36221','McPherson','Katye','H','Dermatology'); INSERT INTO DOCTOR VALUES('36712','Dreifag','Herman','G','Psychiatry'); INSERT INTO DOCTOR VALUES('38995','Minh','Tran','','Neurology'); INSERT INTO DOCTOR VALUES('40004','Chin','Ming','D','Orthopaedics'); INSERT INTO DOCTOR VALUES('40028','Feinstein','Denise','L','Gynecology');

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CREATE TABLE DRUG ( DRUG_CODE varchar2(5) PRIMARY KEY, DRUG_NAME varchar2(25), DRUG_PRICE number, DRUG_MANU_DATE DATE ); INSERT INTO DRUG VALUES('AF15','Afgapan-15','25','10/12/2019'); INSERT INTO DRUG VALUES('AF25','Afgapan-25','35','12/12/2018'); INSERT INTO DRUG VALUES('DRO','Droalene Chloride','111.89','10/12/2017'); INSERT INTO DRUG VALUES('DRZ','Druzocholar Cryptolene','18.99','11/12/2019'); INSERT INTO DRUG VALUES('KO15','Koliabar Oxyhexalene','65.75','11/12/2020'); INSERT INTO DRUG VALUES('OLE','Oleander-Drizapan','123.95','11/12/2020'); INSERT INTO DRUG VALUES('TRYP','Tryptolac Heptadimetric','79.45','11/12/2020');

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CREATE TABLE PATIENT ( PAT_NUM varchar2(5)PRIMARY KEY, PAT_TITLE varchar2(4), PAT_LNAME varchar2(15), PAT_FNAME varchar2(15), PAT_INITIAL varchar2(1), PAT_DOB date, PAT_AREACODE varchar2(3), PAT_PHONE varchar2(8) ); INSERT INTO PATIENT VALUES('100','Mr.','Kolmycz','George','D','6/15/1942','615','324-5456'); INSERT INTO PATIENT VALUES('101','Ms.','Lewis','Rhonda','G','3/19/2005','615','324-4472'); INSERT INTO PATIENT VALUES('102','Mr.','VanDam','Rhett','','11/14/1958','901',null); INSERT INTO PATIENT VALUES('103','Ms.','Jones','Anne','M','10/16/1974','615','898-3456'); INSERT INTO PATIENT VALUES('104','Mr.','Lange','John','P','11/8/1971','901',null); INSERT INTO PATIENT VALUES('105','Mr.','Williams','Robert','D','3/14/1975','615','890-3220'); INSERT INTO PATIENT VALUES('106','Mrs.','Smith','Jeanine','K','2/12/2003','615','324-7883'); INSERT INTO PATIENT VALUES('107','Mr.','Diante','Jorge','D','8/21/1974','615','890-4567'); INSERT INTO PATIENT VALUES('108','Mr.','Wiesenbach','Paul','R','2/14/1966','615','897-4358'); INSERT INTO PATIENT VALUES('109','Mr.','Smith','George','K','6/18/1961','901','504-3339'); INSERT INTO PATIENT VALUES('110','Mrs.','Genkazi','Leighla','W','5/19/1970','901','569-0093'); INSERT INTO PATIENT VALUES('111','Mr.','Washington','Rupert','E','1/3/1966','615','890-4925'); INSERT INTO PATIENT VALUES('112','Mr.','Johnson','Edward','E','5/14/1961','615','898-4387'); INSERT INTO PATIENT VALUES('113','Ms.','Smythe','Melanie','P','9/15/1970','615','324-9006'); INSERT INTO PATIENT VALUES('114','Ms.','Brandon','Marie','G','11/2/1932','901','882-0845'); INSERT INTO PATIENT VALUES('115','Mrs.','Saranda','Hermine','R','7/25/1972','615',null); INSERT INTO PATIENT VALUES('116','Mr.','Smith','George','A','11/8/1965','615','890-2984');

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CREATE TABLE PRESCRIPTION ( DOC_ID varchar2(5), PAT_NUM varchar2(5), DRUG_CODE varchar2(5), PRES_DOSAGE varchar2(50), PRES_DATE date, PRIMARY KEY (DOC_ID , PAT_NUM, DRUG_CODE) ); INSERT INTO PRESCRIPTION VALUES('32445','102','DRZ','2 tablets every four hours -- 50 tablets total','11/12/2012'); INSERT INTO PRESCRIPTION VALUES('34409','101','KO15','1 tablet every six hours -- 30 tablets total','11/15/2012'); INSERT INTO PRESCRIPTION VALUES('32445','113','OLE','1 teaspoon with each meal -- 250 ml total','11/14/2012'); INSERT INTO PRESCRIPTION VALUES('36221','109','DRO','2 tablets with every meal -- 60 tablets total','11/14/2018'); INSERT INTO PRESCRIPTION VALUES('38995','107','KO15','1 tablet every six hours -- 30 tablets total','11/10/2019'); INSERT INTO PRESCRIPTION VALUES('40028','107','OLE','2 tablet every six hours -- 30 tablets total','11/10/2018'); INSERT INTO PRESCRIPTION VALUES('32445','116','KO15','2 tablets every four hours -- 50 tablets total','11/01/2012');

What to do: A simple database composed of the following tables: PATIENT, DOCTOR, DRUG, and PRESCRIPTION, is now loaded with this assignment and you are ready to start. Please explore the database and then write the appropriate SQL command to answer the following questions. 1. List all the rows in which the prescription dates occur on or after November 14. 2. How many doctors provide prescriptions with 30 tablets in total? 3. List doctor's details where speciality is either Dermatology or Neurology. (Use IN operator). List the results by the first name in ascending order and the last name in descending order 4. Find all patients rows whose first names include 'George' (Assume case sensitivity). 5. List number of patients that do not have a phone number. 6. How many drugs with price