Oracle Database Administration: The Essential Refe

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Name

Synopsis

&n

Replaces each occurrence of &n with the corresponding parameter from the command line. For example, &1 would be replaced with the value of the first parameter specified on the command line.

                &var

Creates a SQL*Plus variable var and prompts for a value each time &var is encountered.

                &&var

Creates a SQL*Plus variable var and prompts for a value the first time &&var is encountered. Retains this value and uses it each time &&var is encountered subsequently until var is undefined.

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