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CREATE OR REPLACE PROCEDURE strfhyc (
d1hour00 IN VARCHAR2,
d1hour03 IN VARCHAR2,
d1hour06 IN VARCHAR2
)
IS
str1 VARCHAR (1000);
BEGIN
str1 := d1hour00 || '-' || d1hour03 || '-' || d1hour00;
DBMS_OUTPUT.put_line (str1);
END strfhyc;
set serverout on
call strfhyc ('1','2','3');/