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What the following relational calculus represents?
{t|∃s ∈ supp(t[s_name]=s[s_name]^
∃u∈ supp(u[s_address]=s[s_address]^
u[s_name]=”tarun”))}
  • a)
    Find the name of all suppliers who have the same address as the supplier “tarun”
  • b)
    Find the name of all suppliers who have supplied books written by “tarun”
  • c)
    Find the address of all suppliers who have supplied books written by “tarun”
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
What the following relational calculus represents?{t|∃s∈sup...
The above query lists the name of all the suppliers that have the same address as the address of the supplier name tarun.
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What the following relational calculus represents?{t|∃s∈supp(t[s_name]=s[s_name]^∃u∈supp(u[s_address]=s[s_address]^u[s_name]=”tarun”))}a)Find the name of all suppliers who have the same address as the supplier “tarun”b)Find the name of all suppliers who have supplied books written by “tarun”c)Find the address of all suppliers who have supplied books written by “tarun”d)None of theseCorrect answer is option 'A'. Can you explain this answer?
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What the following relational calculus represents?{t|∃s∈supp(t[s_name]=s[s_name]^∃u∈supp(u[s_address]=s[s_address]^u[s_name]=”tarun”))}a)Find the name of all suppliers who have the same address as the supplier “tarun”b)Find the name of all suppliers who have supplied books written by “tarun”c)Find the address of all suppliers who have supplied books written by “tarun”d)None of theseCorrect answer is option 'A'. Can you explain this answer? for GATE 2025 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about What the following relational calculus represents?{t|∃s∈supp(t[s_name]=s[s_name]^∃u∈supp(u[s_address]=s[s_address]^u[s_name]=”tarun”))}a)Find the name of all suppliers who have the same address as the supplier “tarun”b)Find the name of all suppliers who have supplied books written by “tarun”c)Find the address of all suppliers who have supplied books written by “tarun”d)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for GATE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What the following relational calculus represents?{t|∃s∈supp(t[s_name]=s[s_name]^∃u∈supp(u[s_address]=s[s_address]^u[s_name]=”tarun”))}a)Find the name of all suppliers who have the same address as the supplier “tarun”b)Find the name of all suppliers who have supplied books written by “tarun”c)Find the address of all suppliers who have supplied books written by “tarun”d)None of theseCorrect answer is option 'A'. Can you explain this answer?.
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