[libreoffice-users] Re: Base; Setting up relations between tables

Le 17/11/13 06:32, Scott Castaline a écrit :

Hi Scott,

> So how would I do that in the graphical tool? I can't seem to get it to
> work. I vaguely remember working with foreign keys and the sql statement
> would refer to AlbumID from the parent as Album.AlbumID for both tables.
> Wouldn't I also need the ID from the Album table as well? Maybe I'm just
> better of using SQL Statements, but I don't see where I can do that. The
> GUI does not seem to be able to do what I am trying to do or I have
> forgotten more than I thought.

If you want to use SQL DDL through LO's UI, Options > SQL (or Tools> SQL
on the Mac) from the main menu is your friend, although the feedback is
minimal (i.e. you get a message that the statement has executed
correctly or not).

Other than that, if you are trying to set it up so that your
Album.AlbumID is referenced in the Track.AlbumID, then the way it should
work in the GUI is via Tools > Relations in the LO Base file main
window, adding the tables you want to join, setting the relation as
1-to-n by dragging the field AlbumID field from your Album table to your
corresponding Track.AlbumID field in the Album table and then setting
the UPDATE/CASCADE/DELTE options as appropriate.

If this doesn't work after saving the database, then that would probably
be a bug.


Alex



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