ECET 450 Week 3 Practice Exercises Latest

ECET 450  Week 3 Practice Exercises Latest

It is possible to create a table without a Primary Key (or any constraint at all) and have the table function without error? Could you create an entire set of tables without any constraints that can function as a relational set of tables? If there is a possibility, there would be no way to enforce data integrity or referential integrity without constraints.

Constraints can be defined three different ways within the database; at the Column level, at the Table level, or with an ALTER TABLE statement.