Question
In: Computer Science
Create an ER diagram for each of the following descriptions: (a) Each company operates four...
Create an ER diagram for each of the following descriptions:
(a) Each company operates four departments, and each department belongs to one company.
(b) Each department in part (a) employs one or more employees, and each employee works for one department.[with a startdate]
(c) Each of the employees in part (b) may or may not have one or more dependents, and each dependent belongs to one employee.
(d) Suppose
company with attributes cnumber, cname, caddress, President.
department with attributes dname, dnumber, location.
employe with attributes ename, ssn(social security number), sex,
address, salary, birthdate.
dependent with attributes dpNmae, sex, birthdate, relationship(to
the employee).
(e) Represent all the ER diagrams described in (a), (b), (c), and (d) as a single ER diagram.
Solutions
venereology answered 2 years agoRelated Solutions
1- [4 Marks] Create an ER diagram for a movie theater company. The company had its...
1-
[4 Marks] Create an ER diagram for a movie theater company. The
company had its registered number and name of the company. The
company may own many theaters, and each theater has unique Id,
name, and address. Every theater must be owned by one or more
companies. In each theater, multiple movies can be played. However,
each movie may be played in one theater only. A movie can be played
on one or multiple screens; every screen has id...
Draw an ER diagram with these attributes ( ER diagram for SQL for a library database)...
Draw an ER diagram with these attributes ( ER diagram for SQL
for a library database)
DRAW ER DIAGRAM AS ONE FULL LIBRARY SYSTEM, NOT DIFFERENT FOR
EACH ATTRIBUTE.
Attributes :
Customer
Cust_ID: key identifier, required, simple, single
valued
Cust_Name{ first name, last name}: Key Identifier,
simple;composite, multivaried
Address{street, city,zip,state}: Customer
address, required, composite, single can be derived from
zip
(placeholder, there should be another attribute here to
represent the books taken out by the customer. Not
sure.)
Inventory
Book_ID:...
Draw an ER diagram with these attributes ( ER diagram for SQL for a library database)...
Draw an ER diagram with these attributes ( ER diagram for SQL
for a library database)
Attributes :
Customer
Cust_ID: key identifier, required, simple, single
valued
Cust_Name{ first name, last name}: Key Identifier,
simple;composite, multivaried
Address{street, city,zip,state}: Customer
address, required, composite, single can be derived from
zip
(placeholder, there should be another attribute here to
represent the books taken out by the customer. Not
sure.)
Inventory
Book_ID: Key identifier, required, simple single
valued
Book_Name: Key identifier, required, simple,
single-valued
Genre:...
Create an ER diagram for the requirements below. - Parts have a unique number, name, and...
Create an ER diagram for the requirements below.
- Parts have a unique number, name, and production year.
- Car company has a unique number, name and country
information
-Automakers make multiple cars.
It has a serial number and a name.
but, There can be no more than two companies making one car.
-Parts are used in many cars. When a part is used in a car, Save
the part usage date and quantity information.
Create a database and design an ER diagram for the given question. Must link the related...
Create a database and design an ER diagram for the given
question. Must link the related tables then implement the design
using MySQL.
Insert at least 5 records. Ensure that the data to be added are
related to other tables.
Follow this format in creating the database and table:
Database format: databasename_yourname
Table format: tablename_yourname
QUESTION:
Company ABC has the following business rules.
A department employs many employees, but each employee is
employed by only one department.
A division operates...
I am doing a project and need an ER diagram, as well as some, create table...
I am doing a project and need an ER diagram, as well as some,
create table statements in SQL.
Here is what I have so far.
My database will be a hospital management system. It will be
able to keep track of patients and doctors, as well as each of
their attributes, to better help organize the hospital's data. Each
patient and doctor will be searchable via an id, and the user will
be able to run reports as well....
Draw the diagram (ER / MR / UML) for a database containing the following characteristics: •...
Draw the diagram (ER / MR / UML) for a database containing the
following
characteristics:
• Presence sensor that stores presence information with its
timestamp and its
location.
• Distance sensor that saves distance information with its
timestamp and its
location.
• An actuator of a switch that energizes a bulb, where the record
of its
been with your timestamp and your location.
• An actuator of a motor that opens a door, where the record of
its
been with...
Using WORKBENCH: 1. Create the database below via an ER Diagram in Workbench (take screen shots...
Using WORKBENCH:
1. Create the database below via an ER Diagram in Workbench
(take screen shots of the diagram)
2. Go to the database table view and take a screen shot
of the table(s)
3. Go to the data entry tool and enter at least three lines of
data (in each table). Take screen shots.
Create a database that is in third normal form for the
following:
You are a nerd and have decided to organize your comic books in...
Given the business rule below. Draw the Data directories for each entities & ER Diagram. A...
Given the business rule below. Draw the Data directories for
each entities & ER Diagram.
A DOCTOR can be scheduled for many APPOINTMENTS, but may not have
any scheduled at all. Doctor has the attributes such as DoctorID,
Firstname, & Lastname. Appointment has attributes such as
AppointmentID, Date & Reason. A PATIENT can schedule one or
more appointments. Patient entity has attributes such as PatientID,
PatientName & Address. One appointment is scheduled with
exactly one patient. An appointment must generate...
ER Model: Construct an ER model for a company that sells homeowners insurance. Each customer of...
ER Model: Construct an ER model for a company
that sells homeowners insurance. Each customer of
the company owns at least one home. Each home has
associated incidents that are recorded by the
insurance company. An insurance policy can cover
one or multiple homes. The policy defines the
payments associated with the policy, and a policy
that covers multiple homes will show the payments associated with
each home. Associated with each payment is a payment due date, the
time period...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Search the Internet to find (at least 2 websites) related to the general field of malware....
- Consider the following schema: Suppliers(sid, sname, address) Parts(pid, pname, color) Catalog(sid, pid, cost) write the following...
- Singh Development Co. is deciding whether to proceed with Project X. The cost would be $12...
- CS2123 Data Structures - Fall 2019 Assignment 1: Function Runtimes Table Due 9/11/19 by 11:59pm Completing...
- Question 2. Design a 16-1 MUX using any number of lower MUXs, such as 8-1 or...
- . Write a function that takes, as arguments, two objects, value1 and value2. If
- Wii Brothers, a game manufacturer, has a new idea for an adventure game. It can market...
ADVERTISEMENT