Software as a(n) ______ describes a model in which a software provider hosts applications and makes them available to users via the Internet.

____ integrity is the rule that makes it possible for a DBMS to prevent records from being orphaned if a user attempts to change a primary key or delete a record in a table that has matching records in another table.

A. Join B. Referential C. Primary D. Relational

The Internet thrives because almost any computer with any browser can view any Web site. This flexibility is a result of organizations developing recommendations for creating Web pages, called Web ____________________.

Fill in the blank(s) with the appropriate word(s).