从记录后缀中删除字符

Question

！[alt text] [1]嗨，请给我复制和粘贴的SQL代码。我需要根据照片链接http://i566.photobucket.com/albums/ss105/nrfollowup1/delete.jpg

获得所需的输出

我需要删除破折号后面的所有字符

SELECT SYSADM_PURC_ORDER_LINE.PURC_ORDER_ID 来自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;