>>>Little. Numeric fields that have no decimals, can be changed to int, saving significant space.
>>
>>Mike,
>>
>>The Numeric (N) fields are stored in a table as string, including dot and minus sign, if present, each occupying one byte
>
>Thanks, I know. A change from 12 to 9 will make relatively little difference, no? But an int can be a more significant change going from 10 characters to 4 bytes.

Sorry I missread you post. Yes, converting numeric to integer will provide bigger difference.