Schwinn Sid Manuale Utente Scaricare il pdf (Pagina 20)

Objektrelationale Speicherung

• Meist datenzentrische Dokumente

• XML Schema- Registrierung notwendig

⇒ Nachbildung der XML-Strukturen als Oracle

Objekttypen

CREATE OR REPLACE TYPE

CREATE OR REPLACE TYPE

"SCOTT"."PURCHASEORDER_T" AS

OBJECT(..."XDB"."XDB$RAW_LIST_T","

Reference" VARCHAR2(26

CHAR),"Actions"

"ACTION_T","Reject"

"REJECT_T","LineItems"

"LINEITEMS_T") FINAL INSTANTIABLE

CREATE TABLE

"SCOTT"."PURCHASEORDER" OF

SYS.XMLTYPE XMLSCHEMA

http://www,oracle.com/xdb/po.xsd

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