(B)0[m[4mSHOW[m [4mRADIX_POINT[m qq>
Displays the character that will be used as the radix point in
output displays.
The radix point is the symbol that separates units from decimal
fractions. For example, in the number 98.6, the period is the
radix point.
You can use the SHOW RADIX_POINT statement without invoking a
database, so you do not need any special Oracle Rdb privileges to
use the statement.