Oracle Stored Proc problem



Is there any way to declare a variable in stored procedure that should
hold --- length of text which is not known at design time.

For ex:

PROCEDURE MUpdate(
inFKey in varchar,
inSubFKey in varchar
)
IS
vCount NUMBER NOT NULL DEFAULT 0;
vDupTxt ---
BEGIN
vDupTxt := "---"

END MUpdate;

In the above example If I use vDupTxt VARCHAR(---), I have to specify
length (1.. 32767)

While executing the stored procedure at runtime, some times I may want
to assign longer text.

Appreciate your help!

Thanks

.



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