Subject | Re: [ib-support] Error:Object is in use |
---|---|
Author | Svein Erling Tysvær |
Post date | 2001-02-23T07:14:26Z |
At 08:57 23.02.2001 +0200, Gerhardus wrote:
have no meaning except being unique and used in relationships. Normally you
wouldn't show these values to your users (if you are a programmer, they are
of course visible in the database). In IBO you generally assign
GeneratorLinks, whereas IBX/BDE assign the values in a BEFORE INSERT
trigger (I think).
Set
>However I have no idea what surrogate keys are. Unique ID'sSurrogate keys are generally integers calculated from generators, which
>well the name tells it all. I also presume that unique ID's
>are char fields or can it be integers ?
have no meaning except being unique and used in relationships. Normally you
wouldn't show these values to your users (if you are a programmer, they are
of course visible in the database). In IBO you generally assign
GeneratorLinks, whereas IBX/BDE assign the values in a BEFORE INSERT
trigger (I think).
Set