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 practice is that the empSch_v view can be inherently updated, so you can perform DML operations against it without having to write INSTEAD-OF triggers.

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