| Subject | Re[2]: [firebird-support] Calcurate row size |
|---|---|
| Author | Helen Borrie |
| Post date | 2004-07-13T08:42:21Z |
At 04:31 PM 13/07/2004 +0900, you wrote:
but the "empty string" has a value, and is not the same as NULL.
/heLen
>Thank you very much Helen,No, NULL does not occupy any space. An empty varchar will occupy 2 bytes,
>
>Just one more question.
>One varchar column -- which has NULL value -- spends only 2 bytes in that row,
>Is this correct ?
but the "empty string" has a value, and is not the same as NULL.
/heLen