来自记录后缀的带字符

Question

！[alt text] [1]嗨，请给我SQL代码复制和粘贴。我需要获得所需的输出，每照片链接http://i566.photobucket.com/albums/ss105/nrfollowup1/delete.jpg

我需要后删除所有的字符，包括破折号

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;