Conventions Used in This Book

Note

Indicates a tip, suggestion, or general note. For example, we’ll tell you if you need to use a particular Oracle version or if an operation requires certain privileges.

Warning

Indicates a warning or caution. For example, we’ll tell you if Oracle does not behave as you’d expect or if a particular operation has a negative impact on performance.

Italic

Used for script names, filenames, directory names, and operating system commands. Also used for replaceables in text, for emphasis, and to introduce new terms.

Constant width

Used for code examples.

Constant width italic

Used in code examples to indicate elements (e.g., filenames) that you supply.

Constant width bold

Used occasionally to highlight particular items in code being discussed.

UPPERCASE

In code examples, generally indicates Oracle keywords.

lowercase

In code examples, generally indicates user-defined items such as variables, parameters, and so forth.

punctuation

In code examples, enter exactly as shown.

* and */

In code examples, these characters delimit a comment, which can extend from one line to another.

--/ or #

In code examples, these characters indicate the start of a comment line.

[ ]

In syntax descriptions, square brackets enclose optional items.

{}

In syntax descriptions, curly brackets enclose a set of items; you must choose only one of them.

|

In syntax descriptions, a vertical bar separates the items enclosed in curly brackets, as in {VARCHAR | DATE | NUMBER}.

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