Used for filenames, directory names, string-bound constants, and URLs. It is also used for emphasis, and for the first use of a technical term.
Used for keywords, identifiers (such as tables and columns), data types, examples, and to show the contents of files, and the output of commands.
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Used in syntax descriptions to indicated user-defined items.
Constant width bold
Indicates user input within examples.
Used within syntax descriptions, uppercase usually indicates keywords.
Used within syntax descriptions, lowercase usually indicates user-defined items, such as variables and identifiers.
Used within syntax descriptions, square brackets enclose optional items, which are separated from one another by pipes (
Used within syntax descriptions, curly brackets enclose a set of items from which you must choose one.
Used within syntax descriptions, ellipses indicate repeating information. Used within examples, ellipses indicate that a section of unimportant information was removed from the example output to improve readability and conserve space.
The owl icon indicates a tip, suggestion, or general note. For example, we’ll let you know that PostgreSQL supports the use of all ISO standard time zone abbreviations in the section on time zones.