update [class] set parentdir='/'+parentdir+'/'那样上面的就不可以了,你可以先取出来,拼号后再update回去,或者按照下面的sql:update [class] set parentdir ='/'+convert(nvarchar,parentdir)+'/' 20210311
abstractnowadays, the competition between commercial banks ** fierce and complicated, so retaining the customers ** priority for bank management system now. under th** condition, commercial banks are ...