Sandra Is Working with an XML File Containing Product Orders

question 60

Multiple Choice

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
-Sandra would like to write an expression to show only those orders that have a preceding sibling containing the same orderDate . Which of the following do you tell her is the correct expression?

• A) orderDate=preceding::order/orderDate
• B) not(orderDate=preceding::order/orderDate)
• C) orderDate=ancestor::order/orderDate
• D) not(orderDate=ancestor::order/orderDate)

---

Definitions:

COPD

Chronic Obstructive Pulmonary Disease, a group of lung conditions that obstruct airflow and make breathing difficult.

Dry Oral Mucus

A condition characterized by a lack of moisture in the mouth's mucous membranes, often leading to discomfort and difficulty swallowing.

Bladder Infection

An infection involving the urinary bladder, often caused by bacteria, leading to symptoms like frequent and painful urination.

Urge Urinary Incontinence

An involuntary leakage of urine accompanied by a sudden, intense urge to urinate.