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Posted by Ed Murphy on 02/01/08 02:41
--CELKO-- wrote:
>>> So, I need to insert the records into A, collect the ID and then insert into B. I have no problem doing this for individual records; I am not sure what the best way to this is for multiple records being inserted at the same time. <<
>
> What do you mean "collect the ID"? In a relational DB, the key is a
> subset of the attributes of the entity, an inherent part of it and not
> something you let the hardware create when you insert a row. Next, a
> table, which is nothing like a file; it is the set of one and only one
> kind of entity. Thus having the same data in two tables is a
> violation of basic RDBMS design -- redundancy is to be avoided via
> Normal Forms and other design methods.
It sounds like he intends B to have a foreign key referencing A.
Also, one of these days, I really do need to write that "what do 'rows
are not records' and 'columns are not fields' actually mean?" FAQ.
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