CASE STUDY Study the DreamHome case study presented below to answer the following questions DreamHome is a company that provides rental services to both home owners and clients. This case study describes the users’ requirements specification for the DreamHome database system. Branches DreamHome has branch offices in cities throughout the United Kingdom. Each branch office is allocated members of staff, including a Manager, who manages the operations of the office. The data describing a branch office includes a unique branch number, address (street, city, and postcode), telephone numbers (up to a maximum of three), and the name of the member of staff who currently manages the office. Additional data is held on each Manager, which includes the date that the Manager assumed his or her position at the current branch office, and a monthly bonus payment based upon his or her performance in the property for rent market. Staff Members of staff with the role of Supervisor are responsible for the day-to-day activities of an allocated group of staff called Assistants (up to a maximum of 10, at any one time). Not all members of staff are assigned to a Supervisor. The data stored regarding each member of staff includes staff number, name, address, position, salary, name of Supervisor (where applicable), and the details of the branch office at which a member of staff is currently working. The staff number is unique across all branches of DreamHome. Properties for rent Each branch office offers a range of properties for rent. The data stored for each property includes property number, address (street, city, postcode), type, number of rooms, monthly rent, and the details of the property owner. The property number is unique across all branch offices. The management of a property is assigned to a member of staff whenever it is rented out or requires to be rented out. A member of staff may manage a maximum of 100 properties for rent at any one time. When a given property is available for rent, the property details will be displayed on the DreamHome Web site and, when necessary, as advertisements in local and national newspapers. Property owners The details of property owners are also stored. There are two main types of property owner: private owners and business owners. The data stored for private owners include owner number, name, address, telephone number, email, and password. The data stored on business owners includes name of business, type of business, address, telephone number, email, password, and contact name. The password will allow owners access to parts of the DreamHome database using the Web. Clients DreamHome refers to members of the public interested in renting property as clients. To become a client, a person must first register at a branch office of DreamHome. The data stored on clients includes client number, name, telephone number, email, preferred type of accommodation, and the maximum rent that the client is prepared to pay. Also stored is the name of the member of staff who processed the registration, the date the client joined, and some details on the branch office at which the client registered. The client number is unique across all DreamHome branches. Leases When a property is rented out, a lease is drawn up between the client and the property. The data listed in detail on the lease includes lease number, client number, name and address, property number and address, monthly rent, method of payment, an indication of whether the deposit has been paid deposit (calculated as twice the monthly rent), duration of lease, and the start and end dates of the lease period. Newspapers When required, the details of properties for rent are advertised in local and national newspapers. The data stored includes the property number, address, type, number of rooms, rent, the date advertised, the name of the newspaper, and the cost to advertise. The data stored on each newspaper includes the newspaper name, address, telephone number, and contact name. i. What are the main objects that need to be represented in the DreamHome database and what relationships do you think exist between these objects
CASE STUDY
Study the DreamHome case study presented below to answer the following
questions
DreamHome is a company that provides rental services to both home owners and
clients.
This case study describes the users’ requirements specification for the
DreamHome
Branches
DreamHome has branch offices in cities throughout the United Kingdom. Each
branch office is allocated members of staff, including a Manager, who manages
the operations of the office. The data describing a branch office includes a unique
branch number, address (street, city, and postcode), telephone numbers (up to a
maximum of three), and the name of the member of staff who currently manages
the office. Additional data is held on each Manager, which includes the date that
the Manager assumed his or her position at the current branch office, and a
monthly bonus payment based upon his or her performance in the property for
rent market.
Staff
Members of staff with the role of Supervisor are responsible for the day-to-day
activities of an allocated group of staff called Assistants (up to a maximum of 10,
at any one time). Not all members of staff are assigned to a Supervisor. The data
stored regarding each member of staff includes staff number, name, address,
position, salary, name of Supervisor (where applicable), and the details of the
branch office at which a member of staff is currently working. The staff number is
unique across all branches of DreamHome.
Properties for rent
Each branch office offers a range of properties for rent. The data stored for each
property includes property number, address (street, city, postcode), type, number
of rooms, monthly rent, and the details of the property owner. The property
number is unique across all branch offices. The management of a property is
assigned to a member of staff whenever it is rented out or requires to be rented
out. A member of staff may manage a maximum of 100 properties for rent at any
one time. When a given property is available for rent, the property details will be displayed on the DreamHome Web site and, when necessary, as advertisements
in local and national newspapers.
Property owners
The details of property owners are also stored. There are two main types of
property owner: private owners and business owners. The data stored for private
owners include owner number, name, address, telephone number, email, and
password. The data stored on business owners includes name of business, type of
business, address, telephone number, email, password, and contact name. The
password will allow owners access to parts of the DreamHome database using the
Web.
Clients
DreamHome refers to members of the public interested in renting property as
clients. To become a client, a person must first register at a branch office of
DreamHome. The data stored on clients includes client number, name, telephone
number, email, preferred type of accommodation, and the maximum rent that
the client is prepared to pay. Also stored is the name of the member of staff who
processed the registration, the date the client joined, and some details on the
branch office at which the client registered. The client number is unique across all
DreamHome branches.
Leases
When a property is rented out, a lease is drawn up between the client and the
property. The data listed in detail on the lease includes lease number, client
number, name and address, property number and address, monthly rent, method
of payment, an indication of whether the deposit has been paid deposit
(calculated as twice the monthly rent), duration of lease, and the start and end
dates of the lease period.
Newspapers
When required, the details of properties for rent are advertised in local and
national newspapers. The data stored includes the property number, address,
type, number of rooms, rent, the date advertised, the name of the newspaper,
and the cost to advertise. The data stored on each newspaper includes the
newspaper name, address, telephone number, and contact name.
i. What are the main objects that need to be represented in the DreamHome
database and what relationships do you think exist between these objects
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