Answer:
No additional punctuation needed.
Explanation:
There are only two options being listed in the sentence so no punctuation is needed.
A referential constraint enforces a one-to-one relationship between the values in referencing columns (of the foreign key) and the referenced columns (of the primary key or unique constraint). ... The same data values can appear in the constrained columns of both tables.
A and e are the answers you are looking forr
Answer:
I have no idea hope you find the answer
