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Consider the following relations:
S (S#, SNAME, STATUS, CITY)
SP (S#, P#, QTY)
P (P#, PNAME, COLOR, WEIGHT, CITY)
Give an expression within SQL for each of queries below:
(i) Get supplier names for supplier who supply at least one red part
(ii) Get supplier names for supplier who do not supply part P2.
(i) SELECT SNAME FROM S
WHERE S# IN (SELECT S# FROM SP
WHERE P# IN (SELECT P# FROM P
WHERE COLOR = RED'))
(ii) SELECT SNAME FROM S
WHERE S# NOT IN (SELECT S# FROM SP WHERE P# = 'P2')
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
a method named WonGame that checks each letter in the word is matched by its label
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The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
diagrams and meaning
Consider the following relational schema: Doctor(DName,Reg_no) Patient(Pname, Disease) Assigned_To (Pname,Dname) Give expression in both Tuple calculus and Domain calculus for
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
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