The following conventions are used in this book:
- Italic
Used for filenames, directory names, and URLs, and for the first mention of new terms under discussion.
-
Constant
width
Used for code examples.
-
Constant width bold
Indicates user input in examples showing an interaction (e.g., a SQL*Plus session).
-
Constant
width
italic
In some code examples, indicates an element (e.g., a filename) that you supply.
- UPPERCASE
In code examples, indicates SQL keywords.
- lowercase
In code examples, indicates user-defined items such as variables.
- [ ]
In syntax descriptions, square brackets enclose optional items.
- { }
In syntax descriptions, curly brackets enclose a set of items from which you must choose only one.
- |
In syntax descriptions, a vertical bar separates the items enclosed in curly brackets, as in {NOPARALLEL | PARALLEL}.
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