Suppose I have <br>(a) SELECT a record with a particular field val<br>(b) UPDATE the fieldval on the record so that no other connection uses this record<br><br>How can I effectively lock the row during (a) so that no other connection can access this row till (b) is complete.<br><br>i.e. between (a) and (b) I don't want any other connection picking the same record.<br><br>RamdasKM<br>