The `dbms_output` package provides functions to send text to an output channel. ## `put`: Print text Output the text supplied as parameter. An optional second parameter is the text label of the channel. Parameters: - `txt` (string, optional): Text to print. - `channel` (string, optional): Label of the channel. ## `put_line`: Print line of text Output the text supplied as parameter and add a linefeed. An optional second parameter is the text label of the channel. Parameters: - `txt` (string, optional): Text to print. - `channel` (string, optional): Label of the channel.