Demonstrate the behavior of IN, OUT, and IN OUT parameter modes. : Parameter IN « Stored Procedure Function « Oracle PL / SQL

Oracle PL / SQL
1. Aggregate Functions
2. Analytical Functions
3. Char Functions
4. Constraints
5. Conversion Functions
6. Cursor
7. Data Type
8. Date Timezone
9. Hierarchical Query
10. Index
11. Insert Delete Update
12. Large Objects
13. Numeric Math Functions
14. Object Oriented Database
15. PL SQL
16. Regular Expressions
17. Report Column Page
18. Result Set
19. Select Query
20. Sequence
21. SQL Plus
22. Stored Procedure Function
23. Subquery
24. System Packages
25. System Tables Views
26. Table
27. Table Joins
28. Trigger
29. User Previliege
30. View
31. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Oracle PL / SQL » Stored Procedure Function » Parameter IN 
Demonstrate the behavior of IN, OUT, and IN OUT parameter modes.
  
SQL>
SQL> set serveroutput on format wrapped
SQL>
SQL> CREATE OR REPLACE PROCEDURE ModeIn (p_In IN NUMBERAS
  2     v_LocalVariable NUMBER := 0;
  3   BEGIN
  4     DBMS_OUTPUT.PUT('Inside ModeIn: ');
  5     IF (p_In IS NULLTHEN
  6       DBMS_OUTPUT.PUT_LINE('p_In is NULL');
  7     ELSE
  8       DBMS_OUTPUT.PUT_LINE('p_In = ' || p_In);
  9     END IF;
 10
 11     v_LocalVariable := p_In;
 12
 13     IF (p_In IS NULLTHEN
 14        DBMS_OUTPUT.PUT_LINE('p_In is NULL');
 15     ELSE
 16       DBMS_OUTPUT.PUT_LINE('p_In = ' || p_In);
 17     END IF;
 18   END ModeIn;
 19   /

Procedure created.

SQL>
SQL>
SQL> show errors
No errors.
SQL>
SQL>
SQL>
SQL> DECLARE
  2     v_In NUMBER := 1;
  3   BEGIN
  4     DBMS_OUTPUT.PUT_LINE('Before calling ModeIn, v_In = ' || v_In);
  5     ModeIn(v_In);
  6     DBMS_OUTPUT.PUT_LINE('After calling ModeIn, v_In = ' || v_In);
  7   END;
  8   /
Before calling ModeIn, v_In = 1
Inside ModeIn: p_In = 1
p_In = 1
After calling ModeIn, v_In = 1

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL>
SQL>

   
    
  
Related examples in the same category
1. Use 'IN' parameters
2. Define in parameter
3. Column type parameter
4. This procedure will not compile, since it attempts to modify an IN parameter.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.