Creating nested tables

Hi

I have a question regarding nested tables: Mainly my question is: How do you create them? I looked in books and didn't really find anything. What I found:

CREATE TYPE dog_info_table (

Dog_id NUMBER,
Dog_breed VARCHAR2(40),
Dog_birthdate DATE);

CREATE TABLE dog_owners (
Name VARCHAR2(40),
Address VARCHAR2(60),
Dog_name VARCHAR2(40),
Dog_info dog_info_table);

didn't work with me. The SQL command just didn't want to execute. I am working with Oracle 8i.

thanks
hassan

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