The ________ is a special character that is used to represent one or more characters in the criterion of a query

Case-Based Critical Thinking QuestionsCase 10-1Training unlimited is planning to create a page that will allow users to e-mail their requests for the training videos to add to their online training offerings. To prevent the training orderer from receiving spam, the Web designers should ____ e-mail addresses.

A. encrypt B. reverse C. scramble D. none of the above

In Oracle, the default security settings can be enabled within the ____________________ window found in the Database Configuration Assistant (DBCA).

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