Download presentation
Presentation is loading. Please wait.
1
CSE4701 Midterm Exam Statistics (Fall16)
Notes: Final Exam 120 points MT - range from 40-50%; FE - range from 60-50% Track Performance from MT to Final Exam Differential from MT to Final If Increase - Weighted Average If Stay Same - that is your Performance If Decrease - that is your Performance 7 Worry Worry a lot!
2
CSE4701 Grade Guesstimates (Fall 2016)
Notes: All Subject to Change Used 20%HW, 80%E From Intro Overheads Must Pass Both Projects And Exams to PASS!!!
3
Problem 1 Broad Grading: 5/15 an attempt 8/15 better 11/15 on track
Other grades based on effort
4
Problem 2 – EER Design TVShows and Episodes with HasEpisode Relationship along with Movies Entities HasMovieRole, HasTVRole, TVDirects, MovieDirects Relationships Specialization Hierarchy with Person ultimate parent Disjoint: New Director Entity with Disjoint to TVDirectors and MovieDirectors Overlap: Reorg Roles/TVRoles/MovieRoles into a hierarchy Also OK to Do TVSHOWS and MOVIES as Overlap Grading of Entities 3pts ttl – 1pt each – TVShows, Episodes (weak), Movies 3pts ttl – 1pt each –Person, Roles, Directors 2pts ttl – 1pt each –TVRole/MovieRole, TVDirector/MovieDirector Grading of Relationships 5pts ttl – 1 pt each – IsTVDir, IsMovDir, HasTVRole, HasMovRole, HasEpisodes Grading of inheritance 2pts ttl – 1 pt for the TVDir/MovD disjoint, 1 pt for TVRole/MovRole as overlapping
5
Problem 2 – EER Design o o d 1 HasTVRole TVRoles EpisodeID
EmmyFlag Roles RoleID, ShowID RLName RFName RoleType o MovieRoles OscarFlag Person PersonId Lname Fname StartYr o TVDirs EpisodeID EmmyFlag Directors ShowID d MovieDirs OscarFlag TVShows ShowID ShowName ShowYear NumSeasons StartYear NumEmmy 1 n TVDirect 1 1 n Movies ShowID MovieName Year Cost Gross NumOscars MovieDirect 1 Episodes ShowID EpisodeID EName EDesc n HasEpisodes HasMovieRole n n
6
Problem 3 SHOWS – 6pts – deductions for not mentioning Guidelines 1 and 3, not indicating anomalies EPISODE – 3pts – well designed – deductions for what is written ROLES – 3pts – deductions for not mentioning Guidelines 1 or 3, not indicating anomalies DIRECTOR – 3pts– deductions for not mentioning Guidelines 1 or 3, not indicating anomalies
7
Problem 3
8
Problem 4
9
Problem 4
10
Problem 5 Grading: -2 if correct answer but did not do 1NF
-1 and -2 deductions otherwise 5pts/normal form
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.