Moving through a neighborhood trying to locate open wireless access points is called ________
A) surfing
B) trolling
C) hacking
D) wardriving
D
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The retrieve function is generally not used for elements that are integers because:
A. a key value can’t be an integer B. we would already have the value we need to retrieve C. the retrieve function must be used for objects only D. None of the above.
Create an XML document and an XML Schema for the Hotel Schema given in the Exercises at the end of Chapter 4. Now attempt to write XQuery expressions for Exercises 6.7 – 6.26.
6.7 List full details of all hotels. 6.8 List full details of all hotels in London. 6.10 List all double or family rooms with a price below £40.00 per night, in ascending order of price. 6.12 How many hotels are there? 6.13 What is the average price of a room? 6.14 What is the total revenue per night from all double rooms? 6.15 How many different guests have made bookings for August? 6.16 List the price and type of all rooms at the Grosvenor Hotel. 6.17 List all guests currently staying at the Grosvenor Hotel. 6.22 List the number of rooms in each hotel. 6.23 List the number of rooms in each hotel in London.
?Search engines use a specialized computer program called a _____ that travels from site to site indexing, or cataloging, the contents of the pages based on keywords.
A. ?wireframe B. ?topology C. ?thread D. ?spider
Answer the following statements true (T) or false (F)
1. Another name for an attributive entity is a gerund. 2. A many-to-many relationship may be implemented by using an attributive entity on one end. 3. A zero on one end of a relationship line indicates that there may be none of the entity that the line is connected to. 4. A primary use case describes the standard flow of events in the system. 5. Use cases allow people to tell stories.