They apply here, too. Your choices are and , or , and not . And is automatically selected for you. Change it if you wish. The following operators can be used in the search box when using keyword searches .
Different databases offer different limiting options.
Below are some examples. Limit to full-text articles. In the databases that offer some full articles, e.g. General Academic and Business Index , you can set the Format to Full Text . The list of command options is found at the right of the screen. Click on the command of your choice.