It is very handy to have all the error codes just a click away. You can insert a spreadsheet full of data into Oracle without having to write any SQL statements. Using the Multiple Row Insert feature this is done all for you. Also, together with the macro recording facilities you can automate batch inserts to the point that they run without user intervention. The form shows the expected data type and maximum data size.
Initial validation is preformed in the form.
Excel cells can be used as bind variables in SQL statements. Simply change the values on the Excel sheet and execute Update Multiple Rows.