截斷在選擇

Question

我有以下查詢：

SELECT  
SUM(`SPEND_AMOUNT`) AS 'Total Spend Amount', 
SUM(`SPEND_AMOUNT`)/COUNT(DISTINCT `INVOICENUMBER`) AS 'Average Spend Amount' 
FROM 
`TABLE` 

我想截斷結果的「平均消費金額」爲幫助兩位小數places.Thanks（？）。

Answer 1

回合（SUM（SPEND_AMOUNT）/ COUNT（DISTINCT INVOICENUMBER），2）