Please answer the following assignments using drawing and as required..
Assignment 7: Due November 21.
(1) Map (that is, transform/convert) Figure 3-6 (b) (page 121) into relations. This figure shows ?Partial
specialization Rule? for VEHICLE as supertype and CAR and TRUCK as subtype. This figure is on page 119
(fig. 3-4b) in the 10th edition. You can use the study NOTES below. More specifically, use the notes ?d.
Relationship (supertype/ subtype?)
(2) Describe a relation in FIRST NORMAL FORM (1NF).
(3) Show a table that is NOT in 1NF.
(4) Show the above table by converting it to 1NF.
(5) Describe what a ?functional dependency? is. Describe what a ?partial functional dependency? is.
Show an example of a functional dependency by: Drawing a table with clearly marked primary key and a
List the functional dependency with proper form (that is, A B)
In two/three sentences, explain what you showed means. That is describe, why the functional
dependency exists in your example.
(6) Describe what a ?transitive dependency? is.
Show an example of a transitive dependency by: Drawing a table with clearly marked primary key and a
List the transitive dependency with proper form (that is, A B)
In two/three sentences, explain what you showed is a transitive dependency.
(7) In your words, describe why any dependency is bad for a relation (i. e., table) or database.
(8) Describe what a determinant is.
(9) On page 179 of the text, examine the relation EMPLOYEE2 in Figure 4-23 (b). (NOTE: This diagram is
on page 181 of 10th edition). Bring this relation to 3NF. You must list the dependencies and the steps
you are performing for each stage.
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