Building Oracle XML Applications by Steve Muench

By Steve Muench

Oracle company, devoted to assisting XML in a variety of items, has XML-enabled its whole Oracle web platform--the Oracle8»i database, Oracle interMedia, Oracle program Server, and numerous different items. «Building Oracle XML functions, by means of Steve Muench, Oracles lead «XML evangelist» and a key Oracle XML developer, provides Java and PL/SQL builders a wealthy and certain examine the numerous instruments Oracle has supplied to help XML improvement, reminiscent of the Oracle XML Parser, the Oracle XML SQL software, and the XSQL Servlet. the corporate describes Oracle8»i as «the first XML enabled database.» This booklet exhibits tips to mix the facility of XML and XSLT with the rate, performance, and reliability of the Oracle database to construct versatile purposes. the writer provides approximately 800 pages of interesting textual content, invaluable and time-saving tricks, and broad examples that builders can placed to exploit instantly to construct customized XML functions. items lined comprise: XSQL pages and the XSQL servlet: declarative templates and an in depth framework to gather any form of static or dynamic XML info and remodel it for supply utilizing XSLT stylesheets.JDeveloper: a whole built-in improvement surroundings for Java XML builders, together with enhancing, syntax checking, debugging, and extra. XSLT Processor: a product that allows XML info to be offered and brought in lots of alternative ways, utilizing any web-based structure, either in and out the database. XML SQL application: an Oracle software that works with the result of SQL statements as XML records and makes use of XML files to insert, replace, and delete details from database tables, perspectives, andobject views.XML Parser: a product that we could Java, PL/SQL, C, and C++ builders procedure and build XML.interMedia: a product whose textual content choice shall we builders seek XML records from SQL and leverage the XML record constitution for razor-sharp seek precision.Advanced Queuing: an Oracle queuing mechanism that shall we either PL/SQL and Java courses enqueue and and dequeue XML messages. PLSXML utilities: Oracle PL/SQL utilities that permit builders utilizing any model of Oracle produce XML from SQL statements. The accompanying CD-ROM comprises JDeveloper 3.1, an built-in improvement setting for Java builders.

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6 should look familiar from a syntactical point of view with its namespace-qualified element names like , , , and . 6. org/1999/XSL/Transform namespace with the unqualified elements in the stylesheet like and , we would have a tough time writing a stylesheet. 3 Searching XML with XPath When you organize files into directories on a disk, you use the directories to give some meaningful structure to your files. Familiar commands like dir or ls allow you to search for matching files that have been organized into those nested directories.

The hub server routes the datagram to a particular target application, say an Oracle Applications installation using an Oracle8i database. In doing this, it may need to transform the incoming XML datagram into an appropriate XML vocabulary for the target application before sending the datagram to its destination. 9. XML and HTTP can connect different applications Adopting an architecture like this does not require invasive, dramatic changes to existing systems. Data in the SAP and Oracle Applications systems is still stored in its original relational tables, exactly as it was before the integration.

Like the default attribute values we saw earlier, these entities can be defined in an external DTD file, or right in the current document by including them in the local DTD section known as the internal subset. 8, the values of the entities are expanded by the XML processor inside IE5. The same process will occur when any XML processor reads the document. 8. 0 release of JDeveloper, or, heaven forbid, if the product gets renamed, with our entities in place, we can just edit the text in one place.

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Building Oracle XML Applications by Steve Muench
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