"Size of Query, Row, Column" and "Change Default Values"

Hello DBAs

Thank You your support.
Pls tell me how to see wht will be the size of Output of current Query. How to size of a single row and column.
How to change Default values like while "Creating Table" pctfree is 10 and pctused is 40. I want to change these default

values.How.....................

Pls tell me the answer.

Thank You

Peter Received on Wed May 10 2006 - 01:24:17 CDT