The following typographical conventions are used in this book:
Indicates a SQL or PL/SQL keyword
Indicates a user-defined item, such as a table name or a column name, in a SQL or PL/SQL statement
Indicates URLs, emphasis, or the introduction of new technical terms
Constant width
Used for code examples and for in-text references to table names, column names, regular expressions, and so forth
Constant width bold
Indicates user input in code examples showing both input and output
3.17.152.183