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PART 4: Given the following table and functional dependencies, construct tables below that will satisfy 2NF and identify the primary key of each new table.

PART 4:

Given the following table and functional dependencies, construct tables below that will satisfy 2NF and identify the primary key of each new table. Note that the primary key of this table is StdSSN + OfferNo.

StdSSN

StdCity

StdClass

OfferNo

OffTerm

OffYear

EnrGrade

CourseNo

CrsDesc

S1

SEATTLE

JUN

01

SPRING

2009

3.5

C1

DB

S1

SEATTLE

JUN

02

FALL

2009

3.3

C2

VB

S2

DENVER

JUN

03

SPRING

2010

3.1

C3

OO

S2

DENVER

JUN

02

FALL

2009

3.4

C2

VB

Functional dependencies:

StdSSN -> StdCity, StdClass

OfferNo -> OffTerm, OffYear, CourseNo, CrsDesc

StdSSN, OfferNo -> EnrGrade

(1/2 point)

Table 1

Primary Key: ____________________________

(1/2 point)

Table 2

Primary Key: _______________________________

(1/2 point)

Table 3

Primary Key: _______________________________

PART 5: (1/2 point)

Now, assume an additional functional dependency:

CourseNo -> CrsDesc

What table above needs to be modified to accommodate this new functional dependency?

_______________________________

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