[libreoffice-users] Re: Relationships in Base

Am 27.02.2012 11:36, gerbreown wrote:
> I have just started using LO Base 3.4.4.  I created 2 tables with a
> relationship between them.  I then deleted one of the tables and created
> another one with a relationship to the first.  When I try to add records to
> the table is gives me the following error message: "SQL Status: 23000
> Error code: -177
>
> Integrity constraint violation - no parent SYS_FK_110 table:  Patient Old in
> statement [INSERT INTO "Pharm Rcpt" (
> "pr_Cost","pr_Date","pr_Doctor","pr_Med","pr_Patient","pr_Pharm","pr_Qty")
> VALUES ( ?,?,?,?,?,?,?)]"
>
> It looks like the relationship did not get deleted when the table was
> deleted.
>
> --
> View this message in context: 
> http://nabble.documentfoundation.org/Relationships-in-Base-tp3780236p3780236.html
> Sent from the Users mailing list archive at Nabble.com.


You never define a relationship in Base. You always do that in a 
database software even when you are working with the built-in database 
engine (status bar reads: "embedded HSQLDB"), this "integrated" database 
behaves exactly like any external database such as MySQL and many others.
The self explaining error message comes from that database software and 
it says that you try to enter a patient-ID that has no counterpart in 
the patient table's primary key.

Base can help you to avoid all integrity constraint errors by means of 
subforms and list boxes which are the 2 key elements to edit relational 
data in Base forms.

[Example] Relations reflected by list boxes in forms:
http://user.services.openoffice.org/en/forum/viewtopic.php?f=100&t=40444



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