August 2011
Intermediate to advanced
416 pages
10h 14m
English
Content preview from Oracle Database 11g Building Oracle XML DB Applications
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Creating XML from Relational Tables
Figure 9-1 shows an Entity-Relationship (ER) map of a set of relational tables storing purchase orders.
The seven tables include ORDER_TBL, ORDER_ITEM_TBL, CUSTOMER_TBL, PRODUCT_TBL, SUPPLIER_TBL, ACCOUNT_MGR_TBL, and COUNTRY_TBL tables (po_create_tables.sql) to store customers, sales, and order information (data inserted with po_insert_data.sql). Let’s use these tables to learn how to create XML from relational tables.
Using SQL/XML Functions
SQL/XML functions can be used to create XML document. Table 9-1 lists the SQL/XML functions in Oracle Database 11g.
FIGURE 9-1. Purchase Order database Entity-Relationship ...
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