Breaking up XML into Relational Data |
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Breaking up XML into Relational Data While the preceding example shows how to construct an XML representation over relational data the example in this section illustrates how you can shred XML data back into relational data This reverse operation can be useful if your application works with relation
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Querying Data with Oracle XQuery |
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Querying Data with Oracle XQuery Starting with Oracle Database 10g Release 2 you can take advantage of a full featured native XQuery engine integrated with the database With Oracle XQuery you can accomplish various tasks involved in developing PHP Oracle XML applications operating on any kind of dat
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Taking Advantage of Standard Internet Protocols |
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Taking Advantage of Standard Internet Protocols As mentioned Oracle XML DB provides native support for standard internet protocols such as S WebDAV and Continuing with the preceding sample you might for example upload another employee XML document into the XML repository with one of the above prot
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Accessing Repository Resources with SQL |
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Accessing Repository Resources with SQL In fact Oracle XML DB repository resources are stored in a set of database tables and indexes which can be accessed via SQL You are not supposed to access those tables directly Instead Oracle XML DB provides two public views RESOURCE VIEW and PATH VIEW through
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Using Oracle XML DB Repository |
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Using Oracle XML DB Repository Another variation on accessing and manipulating XML content stored in Oracle database is provided by Oracle XML DB repository which is an essential component of Oracle XML DB mosgoogle NOTE Oracle XML DB repository also known as XML repository is a hierarchically organ
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Performing DML Operations on XML Schema Based XMLType Views |
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Performing DML Operations on XML Schema Based XMLType Views Analyzing the underlying query of the empSch v view discussed in the preceding section you may note that each attribute of the EMP T object used in the select list maps to a certain column of a single table namely emps What this means in pr
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Using XMLType Views |
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Using XMLType Views Using XMLType Views XMLType views provide a convenient way to construct XML representations of relational data without physically migrating that data into XML Once written an XMLType view may be used in various queries making them simpler and so increasing their readability mosgo
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Retrieving XML Data |
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Retrieving XML DataTo retrieve XML data from an XMLType table you can use a SELECT SQL statement just as you would if you had to query a relational table For example to select the employee with the id set to 100 from the employees XMLType table discussed in the preceding section you might issue the
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Using XML Schemas |
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Using XML Schemas The simplest way to create an XMLType storage structure in Oracle XML DB is by registering an appropriate XML schema against the database As a part of the registration process Oracle automatically creates the storage for a particular set of XML documents based on the information pr
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Using XMLType for Handling XML Data in the Database |
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Using XMLType for Handling XML Data in the Database Being an object type XMLType can not only be used to store XML data in the database but also to operate on that data via its built in methods Regardless of the storage model you choose XMLType provides a set of XML specific methods to operate on XM
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