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Advanced Queuing - Oracle

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Selecting All Transformations<br />

Name of View<br />

DBA_TRANSFORMATIONS<br />

Purpose<br />

This view displays all the transformations in the database. These transformations<br />

can be specified with <strong>Advanced</strong> Queue operations like enqueue, dequeue and<br />

subscribe to automatically integrate transformations in AQ messaging. This view is<br />

accessible only to users having DBA privileges.<br />

Table 10–19 DBA_TRANSFORMATIONS<br />

Column Name & Description Null? Type<br />

TRANSFORMATION_ID—unique identifier for the<br />

transformation<br />

- NUMBER<br />

OWNER—owning user of the transformation - VARCHAR2(30)<br />

NAME— transformation name - VARCHAR2(30)<br />

FROM_TYPE—source type name - VARCHAR2(61)<br />

TO_TYPE—target type name - VARCHAR2(61)<br />

Namespace—one for transformations created by<br />

the <strong>Oracle</strong> transformation engine. Transformations<br />

from third party-transformation engines are in<br />

different namespaces.<br />

From_type_schema—owning user of the source<br />

type<br />

From_type_name—source type of the<br />

transformation<br />

To_type_Schema—owning user of the<br />

destination type<br />

To_type_name—destination type of the<br />

transformation. The transformation takes an object<br />

of the source type and returns an object of the<br />

destination type.<br />

Transformation_type—type of the<br />

transformation. Values: SQL and XSL<br />

Attribute_Name—attribute name of the<br />

destination type for which the transformation is<br />

being specified.<br />

10-40 <strong>Oracle</strong>9i Application Developer’s Guide - <strong>Advanced</strong> <strong>Queuing</strong><br />

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