Describe and contrast the concepts of aggregation and composition and provide an example of each.

Question:

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Database Systems A Practical Approach to Design Implementation and Management

ISBN: 978-0132943260

6th Edition Global

Authors: Thomas Connolly, Carolyn Begg

See More Books

Question Posted: Dec 17, 2015 05:26 AM

See More Questions

Describe and contrast the focus of data mining and predictive analytics. Give some examples.
Describe and contrast the process of specialization with the process of generalization.
Describe the six major categories of hardware, and provide an example of each.
Suppose that you are holding your toy submarine under the water. You release it and it begins to ascend. The graph models the depth of the submarine as a function of time. What is the domain and...
What are some typical requirements or constraints on embedded systems?
The managers of Nakatani Enterprises established the following standards for Model 535: Last month, 15,342 units of Model 535 were produced at a cost of $26,870 for direct materials and $47,000 for...
How Do Corporate Governance, Audits, and Legislation Support Ethical Behavior? (pp. 453457)
A simplified representation for cooling in very large-scale integration (VLSI) of microelectronics is shown in the sketch. A silicon chip is mounted in a dielectric substrate, and one surface of the...
R&R Tax Service offers tax and consulting services to Individuals and small businesses. Data for fees and costs for three types of tax returns follow. Fixed costs total $20,800. Type of Return Easy...
Red Hot Chili Peppers Co. had the following activity in its most recent year of operations. (a) Purchase of equipment. (b) Redemption of bonds payable. (c) Sale of building. (d) Depreciation. (e)...
What are the main reasons for introducing the concepts of super classes and subclasses into an ER model?
Consider whether it is appropriate to introduce the enhanced concepts of specialization / generalization, aggregation, and/or composition for the case studies described in Appendix B.
Write each logarithmic equation in exponential form. ln 1/e = 1
Year 5% 6% 4 3.546 3.465 5 7% 3.387 3.312 4.329 4.212 4.100 8% 3.993 5.076 4.917 4.767 4.623 Present Value of an Annuity of $1 at Compound Interest 9% 10% 11% 12% 13% 14% 15% 3.240 3.170 3.102 3.037...
2. Determine the overturning stability of the cantilever retaining wall shown. The equivalent fluid density is 5.5 kN/m, soil density is 18 kN/m, and the concrete weighs 23.5 kN/m. (5 pts) 2 m 2 m 2...
A. For a certain two-dimensional, incompressible flow field the velocity component in the y direction is given by v = 3xy + xy 1. (05 pts) Short answer, what is the condition for this flow field to...
Cho0se a hazardous material to cr3ate a pr3sentation on (i.e. sulfuric acid, explosives, used needles, there are many types of hazardous materials) Cr3ate a presentation (P0werPoint, Open0ffice...
If det [a b] = c d 2 -2 0 a. det c+1 -1 2a d-2 2 2b -2 calculate:
Statement 1: The firms short-run supply curve runs up the marginal cost curve from the shut-down point to the break-even point. Statement 2: The firm will not accept a price below the break-even...
Horse serum containing specific antibody to snake venom has been a successful approach to treating snakebite in humans. How do you think this anti-venom could be generated? What are some advantages...
Wagner Hospital currently allocates all maintenance department costs based on departmental square feet. However, the manager of the pharmacy department has suggested that an ABC approach be used for...
Create the table that results from applying an INTERSECT relational operator to the tables shown in Fig Q3.11. BOOTH_PRODUCT BOOTH_PRICE Energy Drink......... 2
Using the tables in Figure Q3.11, create the table that results from MACHINE DIFFERENCE BOOTH. MACHINE_PRODUCT MACHINE_PRICE Chips ............. 1.25 Chocolate Bar ........... 1
For each table, identify the primary key and the foreign key(s). If a table does not have a foreign key, write None in the space provided.
Bought an old van for 4000 from Peters promising to pay laterwhat is the transactions
Company has a following trade credit policy 1/10 N45. If you can borrow from a bank at 9,5% annual rate, would it be beneficial to borrow money and pay off invoices earlier?
Given the following exchange rates, which of the multiple-choice choices represents a potentially profitable inter-market arbitrage opportunity? 129.87/$1.1226/$0.00864/ 114.96/ B $0.8908/ (C)...

Describe and contrast the concepts of aggregation and composition and provide an example of each.

Question:

Step by Step Answer:

Aggregation represents a hasa or ispartof relationship between ...View the full answer

Database Systems A Practical Approach to Design Implementation and Management

Students also viewed these Computer Sciences questions