1. n-ary Relations and Their Applications (9 points) (1) (2 points) Which 4-tupl
ID: 3709698 • Letter: 1
Question
1. n-ary Relations and Their Applications (9 points) (1) (2 points) Which 4-tuples are in the relation (a, b, c, d)la, b, c, and d are positive integers (2) (2 points) Show the resulting table when the following operation has been performed (3) (2 points) Show the resulting table when the following operation has been performed (4) (3 points) Give the 1-join of Table 3 and Table 4 shown below with abcd= 6)? on Table 1 shown below. Select Department-Physics on Table 2 shown below. Project onto Department and Room Table 1 Table 2 Course # 335 412 501 617 544 551 Department Computer Science518 Mathematics Mathematics Physics Psychology Psychology Zoology Zoology ProfessorDepartment Course # | Room | Time Zoology N5212:00 p.m. N5023:00 p.m. N5214:00 p.m B5054:00 p.m A1003:00 p.m. A11011:00 a.m. A1009:00 a.m. A1008:00 a.m. Cruz Zoology 575 611 544 501 617 335 412 ruz Farber Psychology Farber Psychology Grammer Physics Grammer Physics Rosen Rosen Computer Science 518 Mathematics 575 Table 4 ID # | Course # 1337 CS 2233 1337 CS 3333 3141 MAT 1214 Table 3 Department Name | ID # Computer Science 1337 Biology Mathematics 2718 3141 Activate Wi Go to SettingsExplanation / Answer
dear laysha i will write the 4-tuples as strings . don'tmisunderstand me.
1116,1161,1611,6111,1123,1132,1231,1321,2311,3211,1231,1321,1213,1312,2131,3121,3112,2113,1213,1312
observe that the string abcd has to be under stood as(a,b,c,d).
2)
Professor Department Course#
Grammer Physics 544
Grammer Physics 551
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