If you did not select the Continuous check box, you can enable the Preallocation option. You must specify how many numbers ...

If you did not select the Continuous check box, you can enable the Preallocation option. You must specify how many numbers to preallocate, e.g., 10 numbers. The system will select 10 numbers at a time to store in the memory of the computer. Thus, the system will select a new set of numbers from the database every tenth time a number is required.