Remove all transitive dependencies - dependency diagram, Database Management System

1. Use the Invoice table structure shown below to answer the following questions:

a)  Draw the dependency diagram and identify the primary key and all dependencies, including all partial and transitive dependencies. You can assume that the table does not contain repeating groups and that any invoice number may reference more than one product. (Hint: This table uses a composite primary key.)

135_Remove all transitive dependencies - dependency diagram.png

b)  Remove all partial dependencies, re-draw the new dependency diagrams, and identify the normal form for the table structure you created.

c)  Remove all transitive dependencies, and draw the new dependency diagrams. Also identify the normal form for the table structure you created.

d)  Include the relational schema for the final database table structure.  Identify all primary keys.

 

 

Posted Date: 3/23/2013 4:15:47 AM | Location : United States







Related Discussions:- Remove all transitive dependencies - dependency diagram, Assignment Help, Ask Question on Remove all transitive dependencies - dependency diagram, Get Answer, Expert's Help, Remove all transitive dependencies - dependency diagram Discussions

Write discussion on Remove all transitive dependencies - dependency diagram
Your posts are moderated
Related Questions
Describe the iterative and incremental life cycle For an iterative and incremental life cycle, two criteria are process and time. The main components of showing a project devel

Why do so various organizations use MySQL? Advantages: Open source Highly efficient Offers a high scalability in terms of size and connectivity. Highly prote

Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager

For each 1: n relationship type R involving two entities E1 and E2, we recognize the entity type (say E1) at the n-side of the relationship type R and contain primary key of the en

What are the physical characteristics of magnetic disks?   Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik

Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin

Database Errors: An error is said to have occurred if the implementation of a command to manipulate the database cannot be successfully finished either due to inconsistent data or

Database Recovery And Security Introduction In this part we will introduce two main issues relating to database management systems. A computer system suffers from dissi

User error :  This contains errors in the program (e.g., Logical errors) with errors made by online users of database.  These types of errors can be avoided by applying some check