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| Chapter 1 Oracle PL/SQL Built-ins Pocket Reference |

## 1.2 Conventions

UPPERCASE

  Indicates PL/SQL keywords.

lowercase

  Indicates user-defined items such as parameters.

italic

  Indicates parameters within text.

[ ]

  In syntax descriptions, items in square brackets are optional.

1.1 Introduction |  | 1.3 Built-in Packages

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