Database Management Midterm Exam Part 2

The relational model consists of one-dimensional tables.

• True

• False

Domains enforce constraints on rows instead of columns.

• True

• False

A candidate key may allow two rows to have the same combination of values.

• True

• False

The primary key can have null values.

• True

• False

Relationships between tables are insignificant for data normalization.

• True

• False

Attributes define specific characteristics or properties of the data stored within each column of a relation.

• True

• False

Relationships between tables are crucial for representing complex data structures.

• True

• False

Foreign keys facilitate linking related data across different tables.

• True

• False

The primary key uniquely identifies each row in a table, and its values cannot be null.

• True

• False

Relationships allow for the normalization of data, reducing redundancy and improving data integrity.

• True

• False