Produce a relational schema diagram that corresponds to the linked ER diagram for a database for the television show Saturday Night Live (SNL). Your relational schema diagram should include primary and foreign keys. Often-times in database system development, requirements will change after the conceptual data model has been drafted: in your rela- tional schema diagram, add the following three additional attributes: attribute “birth.date" for the relation schema Host; attribute “start.date" for the relation schema Writer; and attribute “salary" for relation schema Cast Member. Please refer back to the requirements in Question 6, for additional details that may constrain the design of the relational schema model. Use the tool linked to create an image. Hints: please carefully note that “rerun date", “address", and “phone" are multi-valued attributes; how would those be depicted in the relational schema diagram? Also, please carefully note the many-to-many relationships; how would those be depicted in the relational schema diagram? FYI: in ERDplus, define your primary key for a relation schema before you attempt to create a foreign key relationship to the relation schema. Figure 1: ER Diagram for Question 7 name Host
Produce a relational schema diagram that corresponds to the linked ER diagram for a database for the television show Saturday Night Live (SNL). Your relational schema diagram should include primary and foreign keys. Often-times in database system development, requirements will change after the conceptual data model has been drafted: in your rela- tional schema diagram, add the following three additional attributes: attribute “birth.date" for the relation schema Host; attribute “start.date" for the relation schema Writer; and attribute “salary" for relation schema Cast Member. Please refer back to the requirements in Question 6, for additional details that may constrain the design of the relational schema model. Use the tool linked to create an image. Hints: please carefully note that “rerun date", “address", and “phone" are multi-valued attributes; how would those be depicted in the relational schema diagram? Also, please carefully note the many-to-many relationships; how would those be depicted in the relational schema diagram? FYI: in ERDplus, define your primary key for a relation schema before you attempt to create a foreign key relationship to the relation schema. Figure 1: ER Diagram for Question 7 name Host
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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Transcribed Image Text:Produce a relational schema diagram that corresponds to the linked ER diagram for a database for the television show
Saturday Night Live (SNL). Your relational schema diagram should include primary and foreign keys. Often-times in
database system development, requirements will change after the conceptual data model has been drafted: in your rela-
tional schema diagram, add the following three additional attributes: attribute “birth.date" for the relation schema Host;
attribute “start.date" for the relation schema Writer; and attribute “salary" for relation schema Cast Member. Please
refer back to the requirements in Question 6, for additional details that may constrain the design of the relational schema
model. Use the tool linked to create an image.
Hints: please carefully note that "rerun date", “address", and “phone" are multi-valued attributes; how would those
be depicted in the relational schema diagram? Also, please carefully note the many-to-many relationships; how would
those be depicted in the relational schema diagram?
FYI: in ERDplus, define your primary key for a relation schema before you attempt to create a foreign key relationship
to the relation schema.
Figure 1: ER Diagram for Question 7
name
Host
1 performed in
1
season
hosted
seq_num
show_id
N
title
featured
live date
Show
M
wrote
Sketch
rerun date
P
Writer
performed in
name
address
Cast member
phone
name
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