T.J.Farrell wrote:
> Hello all,
>
> as usual in CS, there can be many ways to do the same thing.
> For instance, I can uppercase a string in a function in POstgreSQL or I can
> uppercase it before sending the query to the database. I am reading Bruce
> Monjian's book right now (page 204, Functions & triggers/triggers), and I am
> wondering in terms of performance and speed what way is prefered (option A
> or B).
>
> In terms of performance also, is it preferable to desing a database as:
>
> create table articles (
> refarticle text,
> title text,
> authorID integer,
> authorname text,
> editorID integer,
> editorname text,
> ... etc...
> );
>
> OR :
What will you do when a book is written by two authors, eg. Richard
Patterson
and
John Hennesy ? Some technical books are even written by more authors !
>
>
> create articles(
> refarticle text,
> title text,
> authorID integer,
> editorID integer,
> ... etc...
> );
>
> create table authors(
> authorname text,
> authorID integer,
> ...etc...
> );
>
> create table editors(
> editorID integer,
> editorname text,
> ...etc...
> );
>
> as the critical fields that searches will primarily be based on are obvious
> here.
>
> TIA.
>
> T.J.
>
> (P.S. some of you might remember design B from biblio.mdb :-) . )
Jurgen Defurne
