alter session set dml_output
{
[
!default!
|alias {on|off}
|metadata_only {on|off}
|cell_status {on|off}
|numerical_display {!default!|fixed_decimal|scientific_notation}
|precision PRECISION-DIGITS]
|formatted_value {on|off}
|get_missing_cells {on|off}
|get_meaningless_cells {on|off}
[,...]
}