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PLZ help with the following: Consider the following relations:  Suppliers (Snumber, sname, address)         Parts (Pnumber, pname, color)                                       Catalog (Snumber, Pnumber, Qty)                              Find the suppliers names who supply the part number 7 with quantity greater than 50.     Select one: a. πSname(σPnumber=7 (Parts)) b. πSname(σPnumber=7 and Qty>50 (Catalog))  c. None of the above d. πsname(σPnumber=7 and Qty>50  (Catalog)  (Parts))

PLZ help with the following: Consider the following relations:  Suppliers (Snumber, sname, address)         Parts (Pnumber, pname, color)                                       Catalog (Snumber, Pnumber, Qty)                              Find the suppliers names who supply the part number 7 with quantity greater than 50.     Select one: a. πSname(σPnumber=7 (Parts)) b. πSname(σPnumber=7 and Qty>50 (Catalog))  c. None of the above d. πsname(σPnumber=7 and Qty>50  (Catalog)  (Parts))

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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PLZ help with the following:
Consider the following relations: 
Suppliers (Snumber, sname, address)        
Parts (Pnumber, pname, color)                                      
Catalog (Snumber, Pnumber, Qty)   
                         
Find the suppliers names who supply the part number 7
with quantity greater than 50. 
  
Select one:
a. πSname(σPnumber=7 (Parts))
b.
πSname(σPnumber=7 and Qty>50 (Catalog)) 
c.
None of the above
d.
πsname(σPnumber=7 and Qty>50  (Catalog)  (Parts)) 
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