You work as a developer at ABC.com. The ABC.com network consists of a single domain named
ABC.com.
ABC.com has an existing SQL Server 2012 database that has multiple tables. You have been
instructed to create a foreign key relationship between two ABC.com tables.
Which of the following describes limitations or restrictions with regards to foreign key constraints
for this scenario? (Choose all that apply.)
A.
In a foreign key relationship, the foreign key constraint must only be connected to a primary key
constraint in another table.
B.
In a foreign key relationship, the foreign key constraint can reference only tables within the
same database on the same server.
C.
In a foreign key relationship, the foreign key constraint can be defined to reference the columns
of a UNIQUE constraint in another table.
D.
In a foreign key relationship, the foreign key constraint cannot reference another column in the
same table.
Explanation:
http://technet.microsoft.com/en-us/library/ms175464(v=sql.105).aspx
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