DROP TABLE criminals CASCADE CONSTRAINTS;DROP TABLE crimes CASCADE CONSTRAINTS;CREATE TABLE criminals(criminal_id NUMBER(6),last VARCHAR2(15),first VARCHAR2(10),street VARCHAR2(30),city VARCHAR2 (20),state CHAR(2),zip CHAR(5),phone CHAR(10),v_status CHAR (1) DEFAULT 'N',P_status CHAR(1) DEFAULT 'N' );CREATE TABLE crimes(crime_id NUMBER (9),criminal_id NUMBER (6),classification CHAR(1),date_charged DATE,status CHAR(2),hearing_date DATE,appeal_cut_date DATE);ALTER TABLE crimesMONTEV (laccification DEFAULTCityJail_5 (2) (1) - NotepadFile Edit Format View HelpALTER TABLE crimes12.103MODIFY (classification DEFAULT 'U');ALTER TABLE crimesADD (date_recorded DATE DEFAULT SYSDATE);ALTER TABLE criminalsADD CONSTRAINT criminals_id_pk PRIMARY KEY (criminal_id);ALTER TABLE criminals13064CARADD CONSTRAINT criminals_vstatus_ck CHECK (v_status IN('Y', 'N'));ALTER TABLE criminalsADD CONSTRAINT criminals_pstatus_ck CHECK (p_status IN('Y', 'N'));TALTER TABLE crimesADD CONSTRAINT crimes_id_pk PRIMARY KEY (crime_id);ALTER TABLE crimesALTER TABLE crimesMODIFY (criminal_id NOT NULL);ADD CONSTRAINT crimes_class_ck CHECK (classification IN('F', 'M', '0', 'U').ALTER TABLE crimesADD CONSTRAINT crimes_status_ck CHECK (status IN('CL', 'CA', 'IA'));ALTER TABLE crimesADD CONSTRAINT crimes_criminalid_fk FOREIGN KEY (criminal_id)REFERENCES criminals (criminal_id); HW2: Basic SQL1. Write a query that will show all probation officers2. Write a query that will show the first and last names of probation officers3. Now write a query that shows first and last name of probation officers. Include the field prob_idbut rename prob_id to probation officer ID.4. Write a query that will show crime id, and the total charges for each crime ID. Include an aliasfor the total charges column called Total Charges.5. Write a query that will concat the last and first names of criminals into one column. Add a spaceand comma between the last and first name of criminals. Give the column the alias CriminalName.6. List the last name and first name of all authors in only 1 column. Add a comma to separate thetwo names.7. Run a query that will return the order#, item#, isbn, quantity, paideach. Include in the query aarithmetic operation that will total quantity and paideach. Alias the virtual column so it islabeled Item Total

According to my company rule, I can answer only the first 3 subdivisions. In the picture, You only…

1. Write a query that will show all probation officers 2. Write a query that will show the first and last names of probation officers 3. Now write a query that shows first and last name of probation officers. Include the field prob_id but rename prob_id to probation officer ID.

1. Write a query that will show all probation officers 2. Write a query that will show the first and last names of probation officers 3. Now write a query that shows first and last name of probation officers. Include the field prob_id but rename prob_id to probation officer ID.

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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