Get One to One relation information from SMO

Hello I have 2 tables.
Business & categories. Both are connected using one to one relation.
In business table I created ForeignKey relation to Category & then I made CategoryId column of Business Table Unique Key in index.
In this way I create One to one relation between them.
So from Business I can get Category by using Following SMO Code:
foreach (Microsoft.SqlServer.Management.Smo.Table table in lstTableName)
var ReferenceData=table.ForeignKeys;
It is fine. But Now from category Table I also want to see Business Object. I know that I can travers EnumForeignKeys() But in that I can get its SetCollection data.
But I want o know the information regarding One to One relationship . that meance I want to see cardinality information from SMO.
Is there any way that I can have that information using SMO?
If ismo is not possible then some kind of SQL query is also ok for me.
Thanking you in advance..
Regards
Vipul Langalia

Hi,
IMO this does not seem possible using SMO or any other method as well.
You cannot create a 1..1 relationship directly in SQL Server.
To implement such a relationship we need to create a FOREIGN KEY and then create a UNIQUE constraint on the foreign key column, this again does not guarantee 1..1 relationship but 0..1 relationship.
So what you can do is check if UNIQUE constraint is defined on the foreign key column in the referencing table.
- Vishal
SqlAndMe.com

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