The value in the manager_id column of the EMPLOYEES table must match a value in the employee_id column in the EMPLOYEES table.

A table must have at least one candidate key, as well as its primary key. True or False?

A table must have a primary key. True or False?

If a primary key is a set of columns then one column must be null. True or False?

Attributes become tables in a database. True or False?

In a physical data model, an attribute becomes a _____________.

The transformation from an ER diagram to a physical design involves changing terminology. Primary Unique Identifiers in the ER diagram become __________ and relationships become ____________.

The Oracle Database can implement a many to many relationship. You simply create two foreign keys between the two tables. True or False?

Many to many relationships are implemented via a structure called a: ________________

An "Arc Implementation" can be done just like any other Relationship - you simply add the required Foreign Keys. True or False?

What command will return data from the database to you?

The DESCRIBE command returns all rows from a table. True or False?

What command can be used to create a new row in a table in the database?