想到用Group,但怎么将那个字段的值并列集合在一起?
http://stackoverflow.com/questions/273238/how-to-use-group-by-to-concatenate-strings-in-sql-server
想到用Group,但怎么将那个字段的值并列集合在一起?
http://stackoverflow.com/questions/273238/how-to-use-group-by-to-concatenate-strings-in-sql-server