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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')
What are the failures of Controlling Events Between Objects Failure Unintentional termination of system. Several possible causes: failure of system hardware, o
I want an iPad app that is a simple 1 page form to complete with text. The Objective is to allow a few dozen people of the same organization (they're all on iPad) to open the app,
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
Normal 0 false false false EN-US X-NONE X-NONE
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
Normalization :It is a process of examine the given relation schemas based on their primary key and Functional Dependencies (FDs) to achieve the properties Minimizing redun
Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
Eliminate Repeating Groups The problem is, "Find out the list of employees, who knows DB2". For this problem we require to perform an awkward scan of the list looking for re
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
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