Create a table for database transformation , Database Management System

Assignment Help:

Step 1. Using Oracle, create the tables identified in the preferred solution for Assignment 2.

Technicians (ZipCode, TechnicianID, FirstName, LastName, Street, City, State, HomePhone, WorkPhone)

ZipCode is the Primary Key and should be 5 character fixed length data. TechnicianID - should be 3 character fixed length data. State should be 2 character fixed length data.

Customers (CustomerNum, FirstName, LastName, Street, City, State, ZipCode, Phone, OutsideOnly)

CustomerNum is the Primary Key and should be 3 character fixed length data. State should be 2 character fixed length data. ZipCode - Is the Foreign Key relating the Technician and the Customers tables and should be 5 character fixed length data. OutsideOnly is a 1 character fixed length data.

Chemicals (ChemicalNum, ChemicalName, PricePerPound)

ChemicalNum is the Primary Key and should be 2 character fixed length data. PricePerPound should be numeric data. 4 digits maximum with two allocated to the right of the decimal place.

Treatments Table

Create Table Treatments ( ServiceDate Date, ChemicalNum Char(2) Constraint Treatments_ServiceDate_FK References Chemicals(ChemicalNum), CustomerNum Char(3) Constraint Treatments_CustomerNum_FK References Customers(CustomerNum), QuantityUsed Number, Constraint Treatements_3Combo_PK Primary Key(ServiceDate, ChemicalNum, CustomerNum) );

Due to the complexity of the Treatment Table, the create table code has been provided to you. Note that we are setting up the service Date with the Data datatype and the ChemicalNum and CustomerNum are Foreign Keys relating respectively to the Chemicals and Customers tables. QuanitiyUsed is set up as a floating numeric data field, because it can accept numbers who have a floating decimal place or whole numbers. Note that this table has a combination primary key that consist of the ServiceDate, ChemicalNum and the CustomerNum in combination.

STRUCTURE NOTES:

 Use the proper naming convention for your constraints: Example: Constraint TableName_FieldName_ConstraintID (Customer_CusNum_PK) Set up the Primary Keys for each table with Constraints listed. Add Your Foreign Keys for each table with Constraints listed. All Required fields are listed above in redand should have constraints set up for them. Make the Data Types for the remaining fields either fixed or variable length character data. I will leave it up to you do decide which of the remaining fields should be fixed vs. variable, as well as determining their size.

 Step 2.

Create the queries listed below:

NOTE: Before you begin to run Queries 1 - 11, Enter the following two commands at the SQL Prompt:

Set Linesize 120 Set Pagesize 70

This will allow you to see all of your data without it wrapping.

1. Select all records from each table - Label Q1a-Q1d

2. List all of your constraints in the database one table at a time. - Label Q2a-Q2d

3. List all of your table names in the database. - Label Q3

4. List the Columns and data types of each table - Label Q4a-Q4d

5. List the customer information of any customer who only gets outside service. Label Q5

6. List the customers information for any customer who lives in Potsdam or Pensville and who do not get outside service only. Label Q6

7. List the Technician ID, and their first and last name along with each of their customer's number and first and last name. Use Table Aliases of T for Technicians Table and C for Customers Table. Also use Column Aliases as follows: TechFirst, TechLast, CusFirst, CustLast . Label Q7

8. List the first name , last name and street address of any pair of customers whose address contains "Rd". Label Q8

9. List the Technician's ID, Customer Number, Date of Service, Chemical used and the amount of chemical used. Primary Sort Key is Technician's ID in ascending order and the Secondary Sort key is Customer Number in descending order. Label Q9

10. Repeat Question 9 above, but lets add the price per pound of each chemical and lets calculate the total cost of each chemical used at each house. Place price per before quantity used and the total chemical cost after quantity used as a column aliases named "Chemical Charge". Label Q10

11. List the name Chemical number, name and price per pound of any chemical that has not been used at a house. Hint: Combination of two very difficult SQL Concepts.


Related Discussions:- Create a table for database transformation

Database, Three way to handle missing field val

Three way to handle missing field val

Draw an e-r diagram and convert it to a relational schema, In an organisati...

In an organisation various projects are undertaken. Each projects can employ one or more employees. Every employee can work on one or more projects. Each project is undertaken on

design the logic using looping structure, 1. Design the logic, using a loo...

1. Design the logic, using a looping structure, for a program that outputs every even number from 1 through 25 along with its square and cube. 2. Mr. Sanchez owns 12 apartme

Define database layer, Define Database layer? The database layer define...

Define Database layer? The database layer defines the data formats used in the database.

Create student db and execute insert query, Create Student DB and execute I...

Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course

Explain saving derived attributes to avoid re-computation, Saving Derived A...

Saving Derived Attributes to Avoid Re-computation   As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,

Construct substantial data model, PART MARKING:  We will only mark TWO of t...

PART MARKING:  We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with

Define specialisation and generalization in brief, Define Specialisation an...

Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element

Which component of dbms can be embedded in a program, which component of DB...

which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd