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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3-14. Jumping to a Designated Location in Code
Problem
You want your code to stop executing and jump to a different, designated location.
Solution
Use a GOTO statement along with a label name to cause code execution to jump into the position where the label is located.
The following example shows the GOTO statement in action. The user is prompted to enter a numeric value, and that value is then evaluated to determine whether it is greater than ten. In either case, a message is printed, and then the code jumps to the end_msg label. If the number entered is a negative number, then the code jumps to the bad_msg label where an error message is printed.
DECLARE
in_number number := 0;
BEGIN
in_number := '&input_number'; IF in_number ...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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