嘗試爲發票到期的客戶創建通知郵件。MySQL返回發票通知的單行多個發票
這裏是我的表
Name Amount Duedate
[email protected] 10.00 2011-04-13
[email protected] 15.00 2011-04-13
[email protected] 20.00 2011-05-20
[email protected] 25.00 2011-04-13
[email protected] 15.00 2011-05-20
因爲喬在那兒兩次,我怎麼剿第二喬,所以我不通知他兩次。我希望它只返回:
[email protected]
[email protected]
我如何在mysql中執行此操作?
感謝
並不需要吉爾@ UGG? – Priyank 2011-04-13 01:28:26