How can I define a zero-or-one-to-zero-or-one self-referencing relation?

How can I define a zero-or-one-to-zero-or-one self-referencing relation?



1.One to zero/one relationship (Code First)?

Description:... which means that self referencing one-to-one relation
would end in PersonID PersonID two entities with same PersonID in single
table. ... How can I define a 1: ...



2.How can i define ono to one, one to many and many to many ...

Description:How can i define ono to one, ... (or no) record in the related
table. ... Self Referencing Relationships.



3.entity framework - Is it possible that define an zero or ...

Description:I have a Zero or one to zero or one association in my domain
problem that each [Order] can made ... Is it possible that define an zero
or one to zero or one ...



4.nhibernate - Modeling one to zero or one relationships (Z ...

Description:Not all Widgets are tested and the test is destructive so
there can be at most one WidgetTest per Widget. ... Related. 18 nHibernate
2.0 ... Why we define the concept ...



5.Self-reference - Wikipedia, the free encyclopedia

Description:... where a program can read or modify its own instructions
like any ... (related to the mathematical recurrence ... is an example of
a self-referencing adage. ...



6.HnD::List all messages of thread: One to zero or one ...

Description:I can implement a 1:1 relationship by adding a unique
constraint on the database field, ... M relation (implemented by a ... you
then can delete the UC and define ...



7.Self-reference effect - Wikipedia, the free encyclopedia

Description:... appear to have an effect on self-referencing in relation
to ... define closeness as an extension of self ... adults can benefit
from self-referencing.



8.Query - Left Join - One to Zero or One Relationship

Description:Search related threads. Asked by: ... a "person" can have ...
Error 1 'LightSwitchApplication.Usuarios' does not contain a definition
for 'Any' and no extension ...



9.Self Referencing Definition | Go BIG Dictionary | Startups.co

Description:Self Referencing Definition. ... the firm can promote its
products by advertising in the professional periodicals and at the annual
and regional conventions of ...



10.About referential integrity and cardinality in database ...

Description:Cardinality settings can be displayed only in diagrams ...
Zero or one to zero or one. ... constraints between related tables by
using the settings you define.