Give an expression within sql for queries, Database Management System

Assignment Help:

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')

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