Modern Database Management
13th Edition
ISBN: 9780134792293
Author: Hoffer
Publisher: PEARSON
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Chapter 6, Problem 6.35PAE
Program Plan Intro
SQL query to find all students who have been matched with a tutor having status as Temp stop in 2018.
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also provide the number of moves(actions) made at state A and moves(actions) made state B. INCLUDE Java program required(this question is not graded)
You are given a class that processes purchases for an online store. The class receives calls to:
•
Retrieve the prices for items from a database
• Record the sold items
•
Update the database
•
Refresh the webpage
a. What architectural pattern is suitable for this scenario? Illustrate your answer by drawing a
model for the solution, showing the method calls/events.
b. Comment on how applying this pattern will impact the modifiability of the system.
c. Draw a sequence diagram for the update operation.
2. The memory management has contiguous memory allocation, dynamic partitions,
and paging. Compare the internal fragmentation and external fragmentation for
these three approaches. [2 marks]
3. Suppose we have Logical address space = 24 = 16 (m = 4), Page size=2² =4 (n = 2),
Physical address space = 26 = 64 (r = 6). Answer the following questions: [4 marks]
1) Total # of pages ?
2) Total # of frames ?
3) Number of bits to represent logical address?
4) Number of bits to represent offset ?
5) Number of bits to represent physical address?
6) Number of bits to represent a page number?
7) Number of bits to represent a frame number /
4. What is translation look-aside buffers (TLBS)? Why we need them to implement the
page table? [2 marks]
5. Why we need shared pages for multiple processes? Give one example to show the
benefits. [2 marks]
6. How to implement the virtual memory by using page out and page in? Explain with
an example. [2 marks]
7. We have a reference string of referenced page…
Chapter 6 Solutions
Modern Database Management
Ch. 6 - Define each of the following terms: dynamic view...Ch. 6 - Match the following terms to the appropriate...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Explain the relationship between EXISTS and...Ch. 6 - Prob. 6.7RQCh. 6 - Under what conditions can a UNION clause be used?Ch. 6 - Prob. 6.9RQCh. 6 - Explain why it is necessary to limit the kinds of...
Ch. 6 - Describe a set of circumstances for which using a...Ch. 6 - Prob. 6.12RQCh. 6 - Prob. 6.13RQCh. 6 - Prob. 6.14RQCh. 6 - Prob. 6.15RQCh. 6 - Prob. 6.16RQCh. 6 - Prob. 6.17RQCh. 6 - Prob. 6.18RQCh. 6 - Prob. 6.19RQCh. 6 - List for advantages of SQL-invoked routines.Ch. 6 - Prob. 6.21RQCh. 6 - Prob. 6.22RQCh. 6 - Prob. 6.23RQCh. 6 - This chapter discusses the data dictionary views...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Write SQL retrieval commands for each of the...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Write SQL queries to answer the following...Ch. 6 - Write SQL queries to answer the following...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Prob. 6.31PAECh. 6 - Prob. 6.32PAECh. 6 - Prob. 6.33PAECh. 6 - What do you need to do if a tutor signs up and...Ch. 6 - Prob. 6.35PAECh. 6 - Write the SQL query to find any tutors who have...Ch. 6 - Prob. 6.37PAECh. 6 - Write an SQL query to determine the total number...Ch. 6 - Prob. 6.39PAECh. 6 - Prob. 6.40PAECh. 6 - Prob. 6.41PAECh. 6 - Prob. 6.42PAECh. 6 - Prob. 6.43PAECh. 6 - Which tutor needs to be reminded to tum in...Ch. 6 - Prob. 6.45PAECh. 6 - Write an SQL query to list all product line names...Ch. 6 - Modify to include only those product lines the...Ch. 6 - Prob. 6.48PAECh. 6 - Prob. 6.49PAECh. 6 - Write an SQL query to display the order number,...Ch. 6 - Prob. 6.51PAECh. 6 - Prob. 6.52PAECh. 6 - Prob. 6.53PAECh. 6 - Prob. 6.54PAECh. 6 - Prob. 6.55PAECh. 6 - Prob. 6.56PAECh. 6 - Prob. 6.57PAECh. 6 - Prob. 6.58PAECh. 6 - Write an SQL query to list each customer who...Ch. 6 - Prob. 6.60PAECh. 6 - Modify Problem and Exercise 6-60 so that the list...Ch. 6 - Prob. 6.62PAECh. 6 - Prob. 6.63PAECh. 6 - Prob. 6.64PAECh. 6 - Prob. 6.65PAECh. 6 - Prob. 6.66PAECh. 6 - Prob. 6.67PAECh. 6 - Prob. 6.68PAECh. 6 - Prob. 6.69PAECh. 6 - Prob. 6.70PAECh. 6 - Prob. 6.71PAECh. 6 - Rewrite your answer to Problem and Exercise 6-71...Ch. 6 - Display the customer ID, name, and order ID for...Ch. 6 - Prob. 6.74PAECh. 6 - Prob. 6.75PAECh. 6 - Prob. 6.76PAECh. 6 - Prob. 6.77PAECh. 6 - Prob. 6.78PAECh. 6 - Prob. 6.79PAECh. 6 - Write an SQL query to list the order number,...Ch. 6 - Prob. 6.81PAECh. 6 - Prob. 6.82PAECh. 6 - Prob. 6.83PAECh. 6 - Prob. 6.84PAECh. 6 - Prob. 6.85PAE
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