1. *
07/16/96
Normalization
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2. Unnormalized Table University Course No Course Desc StdSSN StdCity*
07/16/96
Unnormalized Table
University
Course No
Course
Desc
StdSSN
StdCity
StdClass
OfferNo
OffTerm
OffYear
Grade
Jun O1 O2 O3
Fall
Winter
2000
3.5
3.3
3.1
3.4 S1 S2 C1 C2
Co1
Co2
Co3 DB VB OO
2/16/2019 *

3. Relations Unnormalized*
07/16/96
Relations
Unnormalized
UNIVERSITY(StdSSN, StdCity, StdClass, (OfferNo, OffYear, Grade, CourseNo, CrsDesc))
1NF
UNIVERSITY(StdSSN, StdCity, StdClass, OfferNo, OffYear, Grade, CourseNo, CrsDesc)
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4. Conversion to 1NF No repeating group*
07/16/96
Conversion to 1NF
No repeating group
Primary key will expand in converting a non-1NF table to 1NF
2/16/2019 *

5. *
07/16/96
Second Normal form
1 NF. If every nonkey column is dependent on the whole key, not part of the key.
UNIVERSITY(StdSSN, StdCity, StdClass, OfferNo, OffYear, Grade, CourseNo, CrsDesc)
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6. Functional Dependencies*
07/16/96
Functional Dependencies
StdSSN, OfferNo -> Grade
StdSSN -> StdCity, StdClass
OfferNo -> OffTerm, OffYear, CourseNo, CrsDesc
CourseNo -> CrsDesc
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7. 2NF conversion Split into 3 Tables: Student(StdSSN, StdCity, StdClass)*
07/16/96
2NF conversion
Split into 3 Tables:
Student(StdSSN, StdCity, StdClass)
Offer(OfferNo, OffTerm, OffYear, CourseNo, CrsDesc)
Grade (StdSSN, OfferNo, Grade)
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8. Third Normal Form 2NF, Determinants are the candidate keys.*
07/16/96
Third Normal Form
2NF, Determinants are the candidate keys.
Offer(OfferNo, OffTerm, OffYear, CourseNo, CrsDesc)
CourseNo -> CrsDesc
Split into two:
Courses(CourseNo, CrsDesc)
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9. 3NF Tables Courses(CourseNo, CrsDesc)*
07/16/96
3NF Tables
Student(StdSSN, StdCity, StdClass)
Offer(OfferNo, OffTerm, OffYear, CourseNo)
Courses(CourseNo, CrsDesc)
Grade (StdSSN, OfferNo, Grade)
2/16/2019 *

10. Decomposition of 1NF Table into 2NF Tables*
Decomposition of 1NF Table into 2NF Tables
07/16/96
CatalogID
ProductID
Price
Special Price
CatalogIssueDate 23
1244
1245
1246
1247
1248
1249
1252
1253
1254
1257
15.00 15 14 21 24 19 12 13
11.20
16.80
16.40
19.20
15.20
8/1/2008
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11. Decomposition of 1NF Table into 2NF Tables*
Decomposition of 1NF Table into 2NF Tables
07/16/96
IssueDate is determined by CatalogID alone, not by both CatalogID and ProductID
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12. Conversion of 2NF Table into 3NF Tables*
07/16/96
Conversion of 2NF Table into 3NF Tables
ZipCode determines the value for State, and ZipCode is not the key to the table
2/16/2019 *