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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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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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 Oracle Database for Storing, Modifying, and Retrieving XML Data |
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Using Oracle Database for Storing Modifying and Retrieving XML Data With Oracle XML DB you have various XML storage and XML processing options allowing you to achieve the required level of performance and scalability One of the most interesting things about Oracle XML DB is that it allows you to per
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Identifying SQA Issues |
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Identifying SQA Issues Software Quality Assurance is a good practice that every large scale business should employ IT related businesses have never hesitated to use SQA to ensure that the application they will release for their users or sell to their customers will live up to their expectations Iden
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Querying a DOM Document with XPath |
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Querying a DOM Document with XPath One way to access the DOM tree in a DOMDocument object is through an associated DOMXPath object Identifying a specifi c node or nodes within the DOM tree of a DOMDocument object with this approach involves use of appropriate XPath expressions passed to the DOMXPath
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ODP.NET - Techniques to Improve Performance while Retrieving Data |
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ODP NET Techniques to Improve Performance while Retrieving Data Performance tuning is a great subject in Oracle Volumes of books would not be enough to cover every aspect of performance tuning in Oracle However in this section we will only discuss the fundamental performance techniques while working
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ODP.NET - OracleCommand Object |
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ODP NET More About the OracleCommand Object Till now we have seen OracleCommand working with OracleDataReader OracleCommand is not simply meant for OracleDataReader It has got a lot of functionality for itself Let us see few of the most commonly used features of OracleCommand in this section We will
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ODP.NET - Presenting Master-Detail Information Using a Dataset |
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ODP NET Presenting Master Detail Information Using a Dataset As mentioned before a DataSet object can have its own relations between data tables existing in it We can add these relations dynamically at the client side within an application to represent master detail or hierarchical information The f
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ODP.NET - Retrieving Multiple Rows on to the Grid |
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ODP NET Retrieving Multiple Rows on to the Grid In the previous section we tried to retrieve only one row using OracleDataReader In this section we will try to retrieve more than one row or a result set and populate a DataGridView on a WinForm mosgoogle The following code lists out the details of al
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