來自記錄後綴的帶字符

Question

！[alt text] [1]嗨，請給我SQL代碼複製和粘貼。我需要獲得所需的輸出，每照片鏈接http://i566.photobucket.com/albums/ss105/nrfollowup1/delete.jpg

我需要後刪除所有的字符，包括破折號

SELECT SYSADM_PURC_ORDER_LINE.PURC_ORDER_ID FROM SYSADM_PURC_ORDER_LINE;

Answer 1

SELECT IIF(INSTR(s.PURC_ORDER_ID,'-'),MID(s.PURC_ORDER_ID, 1, INSTR(s.PURC_ORDER_ID,'-')-1), s.PURC_ORDER_ID) as DesiredOutput 
FROM SYSADM_PURC_ORDER_LINE.PURC_ORDER_ID s;