Page History: OE CATEGORY_TYP (type)
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Page Revision: 2010/02/11 09:18
wikibot
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CREATE OR REPLACE TYPE category_typ
AS OBJECT
( category_name VARCHAR2(50)
, category_description VARCHAR2(1000)
, category_id NUMBER(2)
, NOT instantiable
MEMBER FUNCTION category_describe RETURN VARCHAR2
)
NOT INSTANTIABLE NOT FINAL
ALTER TYPE category_typ
ADD ATTRIBUTE (parent_category_id number(2)) CASCADE