Describe the function of each of the following types of keys: primary, alternate, secondary, and foreign.
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 60% (15 reviews)
The primary key is the column or columns that uniquely identif...View the full answer
Answered By
Sigei Kipngeno
I am a professional writer with more than 2 years of writing experience. I will always deliver a grade A paper with zero plagiarism . Thanks in advance.
4.70+
175+ Reviews
311+ 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
-
Describe the function of Web services?
-
Describe the function of each layer of the TCP/IP model.
-
List and briefly describe the function of each layer in three layer architecture.
-
A three-dimensional elasticity problem of a uniform bar stretched under its own weight gives the following strain field: where A and B are constants. Integrate the strainedisplacement relations to...
-
The graphs show the circumferences of heads for a group of men and a group of women. a. If you were describing the men's heads in terms of shape, center, and spread, without comparing them to the...
-
Would it he rational for an agent to hold the three beliefs P (A) = 0.4, P (B) = 0.3, and P (A V B) = 0.5? If so, what range of probabilities would be rational for the agent to hold for A ^ B. Make...
-
How do need for achievement, need for affiliation, and need for power differ? How do these needs relate to work performance and motivation? How would you distinguish McClellands notion of needs from...
-
Maria Bell and J. R. Green are forming a partnership to which Bell will devote one- third time and Green will devote full time. They have discussed the following alternative plans for sharing income...
-
Bailand Company purchased a building for $366,000 that had an estimated residual value of $16,000 and an estimated service life of 10 years. Bailand purchased the building 4 years ago and has used...
-
The Fashion Rack has a monthly accounting period. All transactions are recorded in a general journal. Postings are made from the general journal to the accounts receivable ledger, accounts payable...
-
The information-level design method presented in this chapter contains steps that must be repeated for each user view. List the steps and briefly describe the kinds of activities that must take place...
-
Suppose a given user view contains information about employees and projects. Suppose further each employee has a unique EmployeeNum and each project has a unique ProjectNum. Explain how you would...
-
The bookkeeper for Birmingham Corporation made these errors in journalizing and posting. LO9 1. A credit posting of $400 to Accounts Receivable was omitted. 2. A debit posting of $750 for Prepaid...
-
Implement the nearest neighbor algorithm in the programming language of your choice. The algorithm should work with vectors of up to 10 integer values and allow up to 10 integer classifications. By...
-
Use the operators described in Section 16.2.4 and the STRIPS method to solve the block world planning problem shown in Figure 16.11. The first state shown is the start state and the second state is...
-
Implement a Bayesian belief network in the programming language of your choice to represent a subject in which you are interested (for example, you might use it to diagnose medical conditions from...
-
Researchers have measured the acceleration of racing greyhounds as a function of their speed; a simplified version of their results is shown in Figure P4.67. The acceleration at low speeds is...
-
If the rate at which energy is dissipated by resistor 1 in Figure P31.86 is \(2.5 \mathrm{~W}\), and \(R_{1}=10 \Omega, \mathscr{E}_{1}=12 \mathrm{~V}\), and \(\mathscr{E}_{2}=6 \mathrm{~V},\) (a)...
-
For a Giffen good, the: A. demand curve is positively sloped. B. substitution effect overwhelms the income effect. C. income and substitution effects are in the same direction.
-
Repeat the previous problem, but close the positions on September 20. Use the spreadsheet to find the profits for the possible stock prices on September 20. Generate a graph and use it to identify...
-
DVDs For Less, Inc. (DVDs) is a provider of rental DVDs. The company operates several rental locations throughout the greater Phoenix, Arizona, area and employs nearly 2,000 individuals as man- agers...
-
The Sports Physical Therapy clinic has an Access database for patients, therapists, and appointments. The clinic also has other systems that record information such as insurance details, accounting...
-
As the Sports Physical Therapy clinic grows, management is considering moving to a larger database management system, where the clients perform the presentation functions, a database server performs...
-
The Sports Physical Therapy clinics Access database is stored on a centralized computer for usage by a few trusted colleagues. They are therefore running a ______ application. a. Client/server b....
-
Diplomatic Security Service provides Airport Transportation and Surveillance Service to Foreign Diplomats in Guyana. The company has two support departments - Information Systems and Equipment...
-
Q1: A disparity of bargaining power between the parties to a contract may result in unfair terms but a court is not likely to consider the contract unconscionable. Group of answer choices a. True b....
-
Life Tool Manufacturing has a system in place to recall products that prove to be dangerous at some time after manufacture and distribution. This represents which element of the due care theory?...
Study smarter with the SolutionInn App