List all the items that have not been part of any purchase order. sql
SELECT DISTINCT I.*, ITO,itemID AS [NULL if never ordered]
FROM Items As I
LEFT JOIN
ItemsInOrder AS ITO
ON I.itemID=ITO.itemID
WHERE ITO,itemID IS NULLList all the items that have not been part of any purchase order. sql
SELECT DISTINCT I.*, ITO,itemID AS [NULL if never ordered]
FROM Items As I
LEFT JOIN
ItemsInOrder AS ITO
ON I.itemID=ITO.itemID
WHERE ITO,itemID IS NULLList all the items that have not been part of any purchase order. sql
SELECT * FROM Items
WHERE itemID NOT IN
(SELECT itemID FROM ItemsInOrder)Copyright © 2021 Codeinu
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