Consider following query: The query retrieves: a. The number and name of all products that can only

Question:

Consider following query:

SELECT DISTINCT P1.PRODNR, P1.PRODNAME FROM PRODUCT P1, SUPPLIES S1 WHERE P1.PRODNR = S1.PRODNR AND 1

The query retrieves:

a. The number and name of all products that can only be supplied by one supplier.

b. The number and name of all products that cannot be supplied by any supplier.

c. The number and name of all products that can be supplied by more than one supplier.

d. The number and name of all products that can be supplied by all suppliers.

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Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

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Question Posted: Dec 18, 2023 01:32 AM

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Consider following query: The query retrieves: a. The number and name of all products that can only

Question:

SELECT DISTINCT P1.PRODNR, P1.PRODNAME FROM PRODUCT P1, SUPPLIES S1 WHERE P1.PRODNR = S1.PRODNR AND 1 <= (SELECT COUNT(*) FROM SUPPLIES S2 WHERE S2.SUPNR <> S1.SUPNR AND P1.PRODNR=S2.PRODNR) ORDER BY PRODNR

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The query sql SELECT DISTINCT P1PRODNR P1PRODNAME FROM PRODUCT P1 SUPPLIES S1 WHERE P1PR...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

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