1. UPS company always keep up to date for all their processing information and also the current location details of each shipped item. To ensure the information is always up to date due to the complexity of data, UPS relies on a centralized information system that stores this huge amount of data. Shipped items are the main component of the UPS product tracking information system. Particularly, shipped items can be characterized by the item number (unique), weight, dimensions, insurance amount, destination and also final delivery date. Shipped items are received into the UPS system at a single retail center. Retail centers can be characterized by their type, uniqueID and address. Shipped items make their way to their destination via one or more standard UPS transportation events/channels (i.e., flights, truck deliveries). These transportation events/channels are characterized using a unique scheduleNumber, a type (e.g, flight, truck) and the deliveryRoute. a. Define 'entity' and explain any TWO guidelines for naming entity types. b. Based on the given scenario, identify the entities, attributes and also the primary key of the UPS system. c. Using the entities, attributes and also the primary key identified at (b), create an Entity Relationship Diagram (ERD) that captures this information about the UPS system. Be certain to indicate all the identifiers and cardinality constraints based on their relationships.
1. UPS company always keep up to date for all their processing information and also the current location details of each shipped item. To ensure the information is always up to date due to the complexity of data, UPS relies on a centralized information system that stores this huge amount of data. Shipped items are the main component of the UPS product tracking information system. Particularly, shipped items can be characterized by the item number (unique), weight, dimensions, insurance amount, destination and also final delivery date. Shipped items are received into the UPS system at a single retail center. Retail centers can be characterized by their type, uniqueID and address. Shipped items make their way to their destination via one or more standard UPS transportation events/channels (i.e., flights, truck deliveries). These transportation events/channels are characterized using a unique scheduleNumber, a type (e.g, flight, truck) and the deliveryRoute. a. Define 'entity' and explain any TWO guidelines for naming entity types. b. Based on the given scenario, identify the entities, attributes and also the primary key of the UPS system. c. Using the entities, attributes and also the primary key identified at (b), create an Entity Relationship Diagram (ERD) that captures this information about the UPS system. Be certain to indicate all the identifiers and cardinality constraints based on their relationships.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:1. UPS company always keep up to date for all their processing information and also the current
location details of each shipped item. To ensure the information is always up to date due to
the complexity of data, UPS relies on a centralized information system that stores this huge
amount of data. Shipped items are the main component of the UPS product tracking
information system. Particularly, shipped items can be characterized by the item number
(unique), weight, dimensions, insurance amount, destination and also final delivery date.
Shipped items are received into the UPS system at a single retail center. Retail centers can be
characterized by their type, uniqueID and address. Shipped items make their way to their
destination via one or more standard UPS transportation events/channels (i.e., flights, truck
deliveries). These transportation events/channels are characterized using a unique
scheduleNumber, a type (e.g, flight, truck) and the deliveryRoute.
a. Define 'entity' and explain any TWO guidelines for naming entity types.
b. Based on the given scenario, identify the entities, attributes and also the primary key of
the UPS system.
c. Using the entities, attributes and also the primary key identified at (b), create an Entity
Relationship Diagram (ERD) that captures this information about the UPS system. Be
certain to indicate all the identifiers and cardinality constraints based on their
relationships.
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