>Try Cetin suggestion.
>
>It is usefull ( generally ) only for tables with more 50% record deleted.

That's not true. Also, with 50% or more deleted records even SEEK will take forever.

>It slow down the insert and delete process.

As any other index. There's nothing special aboud index on DELETED() in that regard.

>If is usefull, you need to implement a PACK process.