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CREATE FUNCTION "RELEASE_MANAGER"."IS_NUMBER" (p_val IN VARCHAR2) RETURN BOOLEAN
IS
   temp_num NUMBER;
/* ---------------------------------------------------------------------------
    Version: 1.0.0
   --------------------------------------------------------------------------- */
BEGIN
   temp_num := TO_NUMBER(p_val);
   RETURN true;
EXCEPTION WHEN VALUE_ERROR THEN
   RETURN false;
END IS_NUMBER;
/