Use the Set Value dialog to specify the new value for the selected variable. The current program value of the variable will be initially displayed in the dialog.
To display the Change Value dialog, right-click on the variable in the 6.3 Variables Window or select the Set Value option from the Variables context menu.
It is important to remember that breakpoints occur before the command line is executed. For example, if you set a breakpoint on an INSERT command and change the value of a variable, the changed value will be used by the INSERT command when the program executes.