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檢索項目類型,項目類別和平均價格四捨五入到快速消費品,計算機類型項目的兩位小數。平均價格必須低於2000.dbms sql查詢需要正確解析
ITEMCODE ITEMTYPE DESCR PRICE REORDERLEVEL QTYONHAND CATEGORY
I1001 FMCG Britannia Marie Gold Cookies 20 100 1000 C
I1002 FMCG Best Rice 120 100 1000 C
I1003 FMCG Modern Bread 15 100 1000 C
I1004 Apparels Lee T-Shirt 300 100 1000 B
I1005 Apparels Levis T-Shirt 1700 100 1000 B
I1006 Apparels Satyapaul Sari 7300 100 1000 A
我的查詢是否正確?
SELECT ItemType, Category, ROUND(AVG(Price),2)
FROM Item
WHERE (ItemType = 'FMCG')
OR (ItemType = 'Computer')
AND (Avg(Price) < 2000)
GROUP BY ItemType;
當你嘗試時發生了什麼? –