Answer:
Explanation:
A relational database is designed to enforce the uniqueness of primary keys by allowing only one row with a given primary key value in a table. A foreign key is a column or a set of columns in a table whose values correspond to the values of the primary key in another table.
Document.write()
I'm not sure that this is a method, but I think this is right.
Answer:
I think no...Brainly might not allow unique text's.