摘要: set @str=‘WX15-53-H-53-99-15-335-23’; select @str as '字符串' select len(@str) as '字符长度' select charindex('-',@str,1) as '第一个逗号的索引值' select LEFT(@str,cha 阅读全文
posted @ 2016-10-21 15:50 Jason_davis 阅读(26128) 评论(0) 推荐(0) 编辑