Web Reference: By using a substitution variable in place of the text, SA_MAN, in the WHERE clause, you can get the same results you would get if you had written the values into the command itself. A substitution variable is preceded by one or two ampersands (&). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Substitution variables provide a wonderful mechanism for collecting user input with scripts. The next lesson will show you how you can generate more user-friendly prompts using the SQL*Plus PROMPT command.
YouTube Excerpt: PL/SQL Tutorial 3 : Substitution Variable in PL/SQL
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Pl Sql Tutorial 3 Substitution Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
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Last Updated: April 7, 2026
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