Considerations for Creating a PS Query Implementation
Oracle recommends that you perform these tasks when multiple related terms may be accessed during a single business event:
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Create a single PS Query implementation to return a rowset containing the data for several terms.
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Specify which data element or field position in the rowset or record is to be used for the term.
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Ensure that appropriate privileges have been set for accessing the objects present in the query.
Note:
Use caution when using this type of implementation because the query may execute very slowly.