Could not find any specific examples of this usage . . .
1) must it be inside a package? could it just be defined in a
procedure?
2) why IN/OUT? What's being passed in?
3) why open with no fetch? what does that accomplish?
thanks much
bill
-----Original Message-----
Sent: Tue, March 19, 2002 12:19 PM
To: Multiple recipients of list ORACLE-L
Lots of examples avlbl from Concepts manual; also pl check asktom.com
Step 1) Declare a ref cursor inside a package
CREATE PACKAGE APACK AS
TYPE RefCurTyp IS REF CURSOR;
END APACK;
Step 2) Employ the ref curosr IN OUT variable inside the procedure..note
that the cursor is opened but not fetched..
PROCEDURE demo_ref (
refcurvar IN OUT RefCurTyp,
choice NUMBER) IS
BEGIN
IF choice = 1 THEN
OPEN refcurvar FOR SELECT * FROM emp;
ELSIF choice = 2 THEN
OPEN refcurvar FOR SELECT * FROM dept;
ELSIF choice = 3 THEN
OPEN refcurvar FOR SELECT * FROM sal;
END IF;
END demo_ref;
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--
Author: Magaliff, Bill
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