Define primary key.
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 76% (13 reviews)
Column A or a collection of columns is the primary key ...View the full answer
Answered By
Utsab mitra
I have the expertise to deliver these subjects to college and higher-level students. The services would involve only solving assignments, homework help, and others.
I have experience in delivering these subjects for the last 6 years on a freelancing basis in different companies around the globe. I am CMA certified and CGMA UK. I have professional experience of 18 years in the industry involved in the manufacturing company and IT implementation experience of over 12 years.
I have delivered this help to students effortlessly, which is essential to give the students a good grade in their studies.
3.50+
2+ Reviews
10+ Question Solved
Related Book For
Concepts of Database Management
ISBN: 978-111182591
7th edition
Authors: Philip J. Pratt, Joseph J. Adamski
Question Posted:
Students also viewed these Computer Sciences questions
-
What is the maximum number of columns you can define as a primary key when using the column-level approach to creating a table? a. 0 b. 1 c. 30 d. 255
-
Define the term primary key in terms of functional dependencies.
-
Define each of the following terms: a. Determinant b. Functional dependency c. Transitive dependency d. Recursive foreign key e. Normalization f. Composite key g. Relation h. Normal form i. Partial...
-
The curve described by the cable of the suspension bridge shown in Figure 8.70 is given by where x is the distance measured from one end of the bridge. What is the length of the cable (see Example...
-
The table shows the numbers of capital prisoners (prisoners on death row) in 2013 in the southern U.S. states. a. Find the median number of prisoners and interpret (using a sentence in context). b....
-
An eccentric sheikh left a will to distribute a herd of camels among his three children: Tarek receives at least one-half of the herd, Sharif gets at least one third, and Maisa gets at least...
-
A company markets ethylene glycol antifreeze in halfgallon bottles. A machine fills and caps the bottles at a rate of 60 per minute. The \(68{ }^{\circ} \mathrm{F}\) ethylene glycol \(\left(ho=69.3...
-
Multiple Choice Questions The following questions concern possible violations of the AICPA Code of Professional Conduct. Choose the best response. a. In which one of the following situations would a...
-
Pina Colada Company buys merchandise on account from Pina Colada Corp.. The selling price of the goods is $1,350, and the cost of the goods is $950. Both companies use perpetual inventory systems....
-
Mary is 30 years old and married to Mark, age 36. Mark passed away on January 30, 2021. Mark was unemployed and had no income in 2021 due to his illness. Marys seven-year-old daughter, Jenny, lived...
-
Again, using your knowledge of the college environment, determine the functional or multivalued dependencies that exist in the following table. After determining the functional dependencies, convert...
-
Define candidate key.
-
Ontario Traveller Magazine completed the following transactions during 2014: Aug. 31 Sold one-year subscriptions, collecting cash of $1,500, plus HST of 13%. Dec. 31 Remitted (paid) HST to Canada...
-
The conventional two phase induction motor cannot be used in design of servo system because (a) its cost is high (b) it is less accurate (c) it is noisy (d) it destabilises the servo system.
-
As shown in Fig. D 9.4, the amplidyne is considered as two stage cascaded generator. Obtain the transfer function model \(\mathrm{E}_{d}(s) / \mathrm{V}_{f}(s)\). The symbols used in the circuit have...
-
The phase lead compensation is used to (a) increase rise time and decrease overshoot (b) decrease both rise time and overshoot (c) increase both rise time and overshoot (d) decrease rise time and...
-
A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has (a) a higher type number (b) reduced damping (c) higher noise amplification (d) larger...
-
The purpose of the series quadrature windings in an amplidyne is to (a) neutralize the effect of armature reaction (b) reduce commutation difficulties (c) increase gain (d) increase the response time.
-
Factor each polynomial. -k 2 - h 2 + 2kh + 4
-
Is it a breach of fiduciary duty for a director of a real estate investment trust (REIT) negotiating a joint venture on behalf of the REIT with another director for the development of a portfolio of...
-
Give some examples of database utilities.
-
Give some examples of vendor provided tools
-
Distinguish between the DBMS and a file management system.
-
A nursing team is having a routine meeting. One of the nurses, Stephen, is at the end of a 12-hour shift, and another nurse, Tanya, is just beginning hers. Tanya is a senior nurse in the unit with...
-
Assume that you are the leadership team of a convenience store chain that has more than 300 outlets. The company is facing an inventory shrinkage problem, and store managers report that the main...
-
1 . An employee at Amy's candles has noticed that some order quantities in the two reports presented are different although the order numbers are the same. We normally refer to such data as dirty....
Study smarter with the SolutionInn App