Skip Headers
Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E26088-02
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
PDF · Mobi · ePub

REFTOHEX

Syntax

Description of reftohex.gif follows
Description of the illustration reftohex.gif

Purpose

REFTOHEX converts argument expr to a character value containing its hexadecimal equivalent. expr must return a REF.

Examples

The sample schema oe contains a warehouse_typ. The following example builds on that type to illustrate how to convert the REF value of a column to a character value containing its hexadecimal equivalent:

CREATE TABLE warehouse_table OF warehouse_typ
   (PRIMARY KEY (warehouse_id));

CREATE TABLE location_table
   (location_number NUMBER, building REF warehouse_typ 
   SCOPE IS warehouse_table);

INSERT INTO warehouse_table VALUES (1, 'Downtown', 99);

INSERT INTO location_table SELECT 10, REF(w) FROM warehouse_table w;

SELECT REFTOHEX(building) FROM location_table;

REFTOHEX(BUILDING)
--------------------------------------------------------------------------
0000220208859B5E9255C31760E034080020825436859B5E9255C21760E034080020825436