Oracle Database Administration: The Essential Refe

Conventions Used in This Book

The following conventions are used in this book:

Italic

Used for script, file, and directory names.

Constant width

Used for code examples.

Constant width italic

In code examples, indicates an element (e.g., a parameter) that you supply.

UPPERCASE

In code examples, generally indicates Oracle keywords.

lowercase

In code examples, generally indicates user-defined items such as variables.

[ ]

In syntax examples, square brackets enclose optional items.

{ }

In syntax examples, curly brackets enclose a list of items; you must select one item from the list.

|

In syntax examples, a vertical line separates the items in a bracketed list.

Tip

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.