database

replays to discussion post

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  In each response, ask questions and share ideas. Responses should again be detailed, thoughtful & substantial.  Justify your responses. Responses has to me a minimum of 5 sentences and 1 question each response.  The 2 posts to replay are in the attachment. Each post needs 1 response. 

replays to discussion post.

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 In each response, ask questions and share ideas. Responses should again be detailed, thoughtful & substantial.  Justify your responses. Responses has to me a minimum of 5 sentences and 1 question each response.  The 2 posts to replay are in the attachment. 

Database

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   · Identify at least two relationship strength types that can be used within the entity-relationship model. · Provide a real-world scenario that demonstrates each relationship strength classification, using the classifications.

Database Scenario:

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  Database Scenario: Jack from the local hardware store, Main Street Hardware, has come to you requesting your database development services. He needs a database that will store product inventory, including products on hand as well as the vendors from whom he purchases these products. He also wants to track sales. He describes the business … Read more

Database Systems

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Dispite effective designs that aim to achieve good data, however, some anomolies are introduced during use of the data. Discuss attribute semantics as an informal measure of goodness for a relational schema – that is, ways that attributes and be constructed during conception to achieve good data. Illustrate with example Discuss Insertion, Deletion, and modification … Read more

Database management

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You were just hired by an airline industry to create a database to record the various airlines and the pilots that work for them Discussions with the industry representatives focused on two initial entities, Airlines and Pilots; the following key points were agreed: 1. Each pilot is assigned a unique PilotID. 2. Each AirlineID is … Read more

Homework

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 (1. You need to write carefully considered, grammatically correct, thoughts, Use references where appropriate, Do not plagiarize!! The result of your work will be contained in one word document that contains timestamped screen shots when appropriate. It will be run through safeassign to detect plagirism. Plagiarism will be rewarded with a zero score.) Normal Forms: … Read more