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.
<span>A peer-to-peer network (or workgroup) consists of multiple windows computers that share information, but no computer on the network serves as an authoritative source of user information. domain-based peer-to-peer server-based centralized</span>
Wait. What? What does that even mean?
A or b i think hope it helps good luck and i hope it helps
