On Fri, Nov 02, 2007 at 10:04:06AM +0100, Christian Rengstl wrote:
> 1) Is it possible to refer to a column in a different table, ie
> entering a value in mytable.x should only be allowed if mytable2.y=1 for
> example? I know that it is possible to use triggers to do that, but I
> think adding a si
Hi list,
I have two question concerning check constraints:
1) Is it possible to refer to a column in a different table, ie
entering a value in mytable.x should only be allowed if mytable2.y=1 for
example? I know that it is possible to use triggers to do that, but I
think adding a simple check cons