You have a table with column salary , and column bonus .
The salary column has numeric data, the bonus column is a numeric type but it is empty.
It is possible to create a stored procedure through which you can insert data to the whole bonus column, a percentage of the salary (taking as a condition ranges example: salaries from 1000 to 2000 50%, from 2001 to 5000 30%, higher of 5000 20%) ??