We can convert any weak entity set to a strong entity set by simply adding appropriate attributes.Why,
Question:
We can convert any weak entity set to a strong entity set by simply adding appropriate attributes.Why, then, do we have weak entity sets?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 71% (14 reviews)
We have weak entities for several reasons We want to avoid the data duplication a...View the full answer
Answered By
Muhammad Umair
I have done job as Embedded System Engineer for just four months but after it i have decided to open my own lab and to work on projects that i can launch my own product in market. I work on different softwares like Proteus, Mikroc to program Embedded Systems. My basic work is on Embedded Systems. I have skills in Autocad, Proteus, C++, C programming and i love to share these skills to other to enhance my knowledge too.
3.50+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Computer Sciences questions
-
Do government statisticians calculate GDP by simply adding up the total sales of all business firms in one year? Explain.
-
Why do we need international accounting standards? Why not simply let each country develop and use its own standards and let it go at that?
-
Why do we have to include OV in the set of all eigenvectors associated with A?
-
5) Pablo Escobar has recently opened a slipper sandal Shop in Brisbane, Australia, a store that specializes in fashionable sleeper sandals. Pablo has just received a degree in business and he is...
-
Nicholson Produce is considering whether it should replace a veggie burger patty shaper machine. The new machine will produce 25% more veggie burger patties than the old machine in the same amount of...
-
The following data are the percentages of adult residents in the Western and Midwestern states who think life is getting better. a. Construct a dotplot of the distribution. b. Find the proportion of...
-
What is the mirror-image rule?
-
The marketing department at Cleveland Furniture Mfg. has an idea for a new product that is expected to have a 6-year life cycle. After conducting market research, the company found that the product...
-
Nick went out for dinner with a few friends. The restaurant bill should have been $175, but instead, the waitress brings the bill for $160. Find the absolute error and relative percentage error for...
-
Execute the CityJail_5.sql script to rebuild the CRIMINALS and CRIMES tables of the City Jail database. The statements at the beginning of this script drop existing tables in your schema with the...
-
Explain the difference between a weak and a strong entity set.
-
Define the concept of aggregation. Give two examples of where this concept is useful.
-
Surprisingly good astronomical mirrors can be constructed from a rotating dish of liquid mercury. Consider a ray of light incident on such a mirror at an arbitrary angle. Treat the mirror surface as...
-
The economy has recently entered a recession, and AutoEdge is near bankruptcy. What actions could the Federal Reserve take to stabilize the economy that would also help stabilize AutoEdge?
-
Interview an organizational leader to determine the challenges they currently encounter in their organization. From the interview, what do you think are the major factors of the identified...
-
A key element is upper management. Their focus should be on the organizational portfolio, not the individual projects. Those are the tactical side. As someone who manages the organizational...
-
List the methods of biblical criticism that we have examined this semester. 2. What are the strengths and weaknesses of each method? 3. List some of the components of the Historical Critical...
-
You have a margin account. Your initial margin is 50% and your maintenance margin is 25%. In the morning, you purchase 100 shares of Bad Investment Incorporated for $75 per share. At the close of the...
-
Prior to the interview, T. J. McKee the Sales Manager requests a personal resume. Your current average grade in your program is 68, but it will very likely increase to 70 or higher at the end of the...
-
The Pletcher Transportation Company uses a responsibility reporting system to measure the performance of its three investment centers: Planes, Taxis, and Limos. Segment performance is measured using...
-
Please explain the Gina Green Principle and the problems youll have if you dont follow it.
-
Suppose a user creates a new relation r1 with a foreign key referencing another relation r2. What authorization privilege does the user need on r2? Why should this not simply be allowed without any...
-
Express the following query in SQL using no subqueries and no set operations. select ID from student except select s_id from advisor where i ID is not null
-
Using the relation from Exercise 5.9, write an SQL query to generate a report showing the number of shares traded, number of trades, and total dollar volume broken down by year, each month of each...
-
Speedy Auto Repairs uses a job-order costing system. The company's direct materials consist of replacement parts installed in customer vehicles, and its direct labor consists of the mechanics' hourly...
-
3. A, B and C are partners sharing profits and losses equally. The balance sheet at 31st December 2020 is as follows. Assets Liabilities Amount Amount (RO) (RO) Creditors 5,000 Cash at Bank 3,000...
-
For each of the following program fragments, give an analysis of the running time. 1) sum = 0; for (int i = n; i > 0; i--) for (int j = 0; j
Study smarter with the SolutionInn App