Databases

Beginning XML Databases (Wrox Beginning Guides) by Gavin Powell

By Gavin Powell

* Supported through all significant database platforms, XML offers a simple, standardized approach to moving information among databases and to and from the net, self reliant of the software program in use* bargains database programmers and data-driven internet builders distinctive advice on easy methods to comprehend and paintings with XML as info* a number of hands-on, step by step examples support readers discover ways to simplify database paintings utilizing XML* exhibits the way to use XML to replace information among a number of databases both internally or with exterior shoppers and companions* Covers XML in renowned databases together with Oracle Database, SQL Server, and short assurance of DB2 Database* Covers uncomplicated syntax for XML, the XML DOM, and XSL – with an emphasis on database use, and local XML databases* extra themes lined comprise local XML databases, XPath, XQuery, XLink, XPointer, DTDs, XML Schemas, between others

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Example text

They provide us with even more information about the attributes of a transaction and, therefore, about the transaction itself. We can see a table hanging off the Items table called Vendors. This table stores the information about each vendor who supplies toys and gizmos to the ACME company. A table called Stores is linked to the Registers table. This table tells us information about the store in which the register is located and, therefore, about the store that made the sale. Linked to the Stores table is the Regions table, which provides a location breakdown by region for the stores.

1 Located In> Items Items Details ... ... 1 Vendor Details ... ... 1 Registers 1

These scripts can be used to build the Oracle web site orders database referred to in this chapter. We also have a CSV file in this code bundle that will be required to import metadata. We have a script to install the SQL Server database. Instructions to use these files can be found with the code bundle. However, working on it beyond that is not in the scope of this book. The POS transactional source database The DBA (Database Administrator—the person responsible for the maintenance and administration of the database) is in charge of the POS transactional database.

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