Q.1.

Which of the following situation requires the use of ID-dependent entities?

Q.2.

The identifier of an entity will become the ________ of the new table.

Q.3.

A foreign key is:

Q.4.

Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table?

Q.5.

Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?

Q.6.

The DBMS allows surrogate keys to be changed.

Q.7.

(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.

Q.8.

When the parent entity is required, a new child row can always be inserted.

Q.9.

A foreign key is used to implement relationships between tables.

Q.10.

Which of the following columns is(are) are required in a table?

Q.11.

A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):

Q.12.

In a 1:N relationship, the foreign key is placed in:

Q.13.

Cascading updates refers to child rows being automatically deleted when a parent row is deleted.

Q.14.

When transforming an entity-relationship model into a relational database design, each entity is represented as a table.

Q.15.

When the parent entity is required and the parent has a surrogate key, update actions can be ignored.

Q.16.

When the parent entity is required, a new parent row can always be inserted.

Q.17.

All primary keys are required.

Q.18.

The terms alternate key and candidate key mean the same thing.

Q.19.

In 1:N relationships, which entity becomes the parent entity is arbitrary.

Q.20.

In a 1:1 relationship, the foreign key is placed in: