December 2010
Intermediate to advanced
451 pages
11h 16m
English
Content preview from Oracle and PL/SQL Recipes: A Problem-Solution Approach
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1-10. Ignoring Substitution Variables
Problem
You want to execute a script in SQL*Plus that contains elements that appear to be substitution variables, but you do not intend them to be substitution variables. You want the interpreter to ignore them instead of prompting the user for input.
Solution #1
One solution is to precede the & character with an escape character. The escape character tells SQL*Plus that what follows is not intended to be a variable reference.
In the following code, an escape character is used to tell SQL*Plus to ignore the & character when it is encountered and to treat “& Receiving” as simple text within a string:
SQL> SET ESCAPE '\'
SQL> INSERT INTO DEPARTMENTS VALUES(
2 departments_seq.nextval, 3 'Shipping \& Receiving', ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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