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eign key fields and remember to remove any many-to-many relationships. attention to the mark allocation shown below. nip business rules: very entity must have a surrogate primary key. company owns many ships, and each ship can be owned by exactly one company he name of each ship must be stored in the database. he name of each company must be stored in the database. ship sails on many voyages over time, and each voyage ends at a specific harbour an be many voyages to the same harbour. he arrival date for each voyage must be stored in the database. he name of each harbour must be stored in the database. ach harbour is located in a country, and there can be many harbours in the same he name of each country must be stored in the database.

eign key fields and remember to remove any many-to-many relationships. attention to the mark allocation shown below. nip business rules: very entity must have a surrogate primary key. company owns many ships, and each ship can be owned by exactly one company he name of each ship must be stored in the database. he name of each company must be stored in the database. ship sails on many voyages over time, and each voyage ends at a specific harbour an be many voyages to the same harbour. he arrival date for each voyage must be stored in the database. he name of each harbour must be stored in the database. ach harbour is located in a country, and there can be many harbours in the same he name of each country must be stored in the database.

Computer Networking: A Top-Down Approach (7th Edition)
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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Database introduction based question, uml notation to have entities, relationships, primary keys, foreign keys and other attributes 

Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level - include primary and foreign key fields and remember to remove any many-to-many relationships. Tip: Pay attention to the mark allocation shown below. Cargo ship business rules: ● ● ● Every entity must have a surrogate primary key. A company owns many ships, and each ship can be owned by exactly one company. The name of each ship must be stored in the database. The name of each company must be stored in the database. A ship sails on many voyages over time, and each voyage ends at a specific harbour. There can be many voyages to the same harbour. The arrival date for each voyage must be stored in the database. The name of each harbour must be stored in the database. Each harbour is located in a country, and there can be many harbours in the same country. The name of each country must be stored in the database.
Transcribed Image Text:Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level - include primary and foreign key fields and remember to remove any many-to-many relationships. Tip: Pay attention to the mark allocation shown below. Cargo ship business rules: ● ● ● Every entity must have a surrogate primary key. A company owns many ships, and each ship can be owned by exactly one company. The name of each ship must be stored in the database. The name of each company must be stored in the database. A ship sails on many voyages over time, and each voyage ends at a specific harbour. There can be many voyages to the same harbour. The arrival date for each voyage must be stored in the database. The name of each harbour must be stored in the database. Each harbour is located in a country, and there can be many harbours in the same country. The name of each country must be stored in the database.
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