When Using the ALTER TABLE

question 5

Multiple Choice

When using the ALTER TABLE...DROP COLUMN command,which of the following is not correct?​

• A) ​The command's effect on the table is permanent.
• B) ​You cannot delete the last remaining column in a table.
• C) ​The command deletes both the column and its contents.
• D) ​The command can be used to delete multiple columns from a table.

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Definitions:

Television Signal

The electronic waves transmitted from a broadcast station that carry audio and visual information to televisions.

Nonrival Consumption

A characteristic of goods where one person's consumption does not reduce availability or enjoyment of the good for others.

Nonexcludable

A characteristic of a good whereby it is not possible to prevent individuals from consuming the good once it has been provided.

Radio Signal

An electronic transmission of electromagnetic waves that can carry audio, data, or video signals.