Sunday, February 19, 2012

Delete relationship?

How do I delete a relationship between tables in SQL Server 7.0?
I previously had a relationship between two tables, but I renamed the field
and table of one of the tables and the old relationship still points to the
old field name and table. How do I remove the defunct relationship?
It doesn't show in my diagram because the old table no longer exists (well
it does but it's been renamed).
Referential integrity between tables is implemented using constraints. Try
this:
alter table <table_name> drop constraint <constraint_name>
"Steve" <steve@.hello.com> wrote in message news:43301ef3_1@.x-privat.org...
> How do I delete a relationship between tables in SQL Server 7.0?
> I previously had a relationship between two tables, but I renamed the
> field and table of one of the tables and the old relationship still points
> to the old field name and table. How do I remove the defunct relationship?
> It doesn't show in my diagram because the old table no longer exists (well
> it does but it's been renamed).
>
|||ALTER TABLE tblname DROP CONSTRAINT constraintname
Tibor Karaszi, SQL Server MVP
http://www.karaszi.com/sqlserver/default.asp
http://www.solidqualitylearning.com/
Blog: http://solidqualitylearning.com/blogs/tibor/
"Steve" <steve@.hello.com> wrote in message news:43301ef3_1@.x-privat.org...
> How do I delete a relationship between tables in SQL Server 7.0?
> I previously had a relationship between two tables, but I renamed the field
> and table of one of the tables and the old relationship still points to the
> old field name and table. How do I remove the defunct relationship?
> It doesn't show in my diagram because the old table no longer exists (well
> it does but it's been renamed).
>

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