Are there updates to any of the indexed columns? When an update changes at least one indexed column, it is treated as an insert ( of the new value ) and a delete ( of the old value ). -Arul On 5/22/05, Peter Dixon <peterdixon001@xxxxxxxxxxx> wrote: > > I have an application where data is never deleted, I have just rebuilt an > index which was previously 4gb in size and its now 3gb in size. Can > anybody > explain? > > > -- > //www.freelists.org/webpage/oracle-l > -- -- //www.freelists.org/webpage/oracle-l