Every database covers particular topics . General keyword searching allows you to look for your term anywhere in the record. Every database covers a particular time period . Most databases are indexes . Placing limits or refining your search usually involves field searching.
Some databases do provide data or the full text of articles.
Phrase searching allows you to search for two or more words that are adjacent to each other. A database is composed of records . Records are composed of fields . Truncation and wild cards allow you to search for variations on a word or term. Decide which information you want displayed.