A rollback segment question on minextents

Hi,

I was wondering why Oracle force minextents for rollback segments to be two. Why can't we have minextents zero or no minextents clause at all.

We can surely set initial extent to be large enough ourselves and next extent sized accordingly.

Can someone enlighten me on the reason/thought behind this?

Many thanks

Kumanan Balasundaram
Database Administrator, IT
QXL ricardo plc
www.qxl.com
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