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To NULL or not to NULL
Message
 
À
16/01/2005 22:03:02
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Conception bases de données
Divers
Thread ID:
00977538
Message ID:
00977653
Vues:
41
But you then have to check for nulls, as opposed to just
saving the field values.





>>Why?<
>
>Kevin,
>
>Simply put, it means that the user did not enter any data for that column. A NULL is the only way to represent that. Not spaces, not zeroes. Good enough reason? <s>
>
>~~Bonnie
>
>
>>
>>>Kevin,
>>>
>>>We allow NULLs for everything except for PKs and for the FK in a child table.
>>>
>>>~~Bonnie
Everything makes sense in someone's mind
public class SystemCrasher :ICrashable
In addition, an integer field is not for irrational people
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