In general, a query is a form of questioning, in a line of inquiry. A query may also refer to:

• A precise request for information, typically keywords combined with boolean operators and other modifiers, in the field of information retrieval.
  • A database query, the standard way information is extracted from databases.
  • Query language and database query language, ways of specifying a query.
• Command-Query Separation (CQS), a concept in object-oriented programming, especially in the Eiffel programming language.
• The question mark, especially as used by programmers (analogous to the use of "bang" for the exclamation mark).
• Query (Quaker), a question used for reflection and spiritual exercises among members of the Society of Friends.

Query | Query