Explain three conditions that suggest a surrogate key should be created for the primary key of a

Question:

Explain three conditions that suggest a surrogate key should be created for the primary key of a relation.

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

Step by Step Answer:

Related Book For book-img-for-question

Modern Database Management

ISBN: 978-0133544619

12th edition

Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi

See More Books

Question Posted: Dec 20, 2015 02:37 AM

See More Questions

State three conditions that suggest the designer should model a relationship as an associative entity type.
Use the JustLee Books database to perform the following activity: There are three major classifications for employees who dont work for the Information Systems Department of JustLee Books: account...
Explain the problems inherent in using sequences for surrogate key columns.
Patients who undergo chronic hemodialysis often experience severe anxiety. Videotapes of progressive relaxation exercises were shown to one group of patients and neutral videotapes to another group....
Is there a difference in the pricing at Walmart versus Target for health and beauty supplies? To answer this question, a student randomly selected 10 identical products at each store and recorded the...
In aligning the interests of various players in the supply chain, what is the role of power and trust?
One of the many wonderful things about studying statistics is that graduate programs in statistics often pay their graduate students, which means that many graduate students in statistics are able to...
1. Do you believe that many companies use an isolated information technology infrastructure such as the Cincinnati Zoo? How does this structure hinder efficient operations? Why would businesses...
Lamar has the following data: Selling price $ 40 Variable manufacturing cost $ 22 $165,000 per month Fixed manufacturing cost Variable selling & administrative costs $ 6 Fixed selling &...
Computador has a manufacturing plant in Des Moines that has the theoretical capability to pro-duce 243,000 laptops per quarter but currently produces 91,125 units. The conversion cost per quarter is...
Match the following terms to the appropriate definitions: well-structured a. constraint between two relation anomaly functional attributes b. functional dependency between the primary key and a...
What are the benefits of the use of a surrogate key?
The California Lettuce Research board was originally formed as the Iceberg Lettuce Advisory Board in 1973. The primary function of the board is to fund research on iceberg and leaf lettuce. A recent...
Forgotten Worlds is a project about representation. Compose an piece that exposes a current or ongoing underrepresented issue, event, or topic that is not being covered or represented very well in...
What non-financial considerations do you think are necessary 1 Quality control issues 2 Inherent issues of the location where the 3rd party might be I 3 Language and cultural barriers 4 Finding the...
Considering the financial system requirement, it was decided that company will use MYOB to handle company's finances. Write an email to the manager (trainer/assessor) requesting the equipment,...
In a 15-minute potassium permanganate demand test. after the full 15 minutes the beaker marked 2 mg/L is clear while the 3 mg/L beaker is pink. What concentration of KMnO, (in mg/L) would be the best...
Analyze the genetic basis of neurodegenerative disorders, focusing on the role of protein misfolding, aggregation, and proteostasis dysfunction in conditions such as Alzheimer's and Parkinson's...
Find 2 1 ln x dx numerically. Find 2 1 ln x dx using antiderivatives. Check that your answers agree.
r = 0.18 Find the coefficients of determination and non-determination and explain the meaning of each.
Give an alternative representation of bank information containing the same data as shown in figure but using attributes instead of subelements. Also give the DTD for this representation. A-101...
Show, by giving a DTD, how to represent the books nested-relation from Section 9.1, using XML
Give the DTD for an XML representation of the following nested-relational schema Emp = (ename, ChildrenSet setof (Children), SkillsSet setof (Skills)) Children = (name, Birthday) Birthday = (day,...
how to connect to oracle database from cpp file step by step? I use Visual Studio and Oracle Instant Client. ? Explain your answer
How to determine the storage configuration for a database server for 1000+ staff? The server runs Linux and will have an Oracle database server. The estimated databases currently consume about 8 TB...
1. Explain on the financial statement analysis. 2. Explain on EIGHT (8) financial ratio. 3. Describe FIVE (5) types of financial objectives.

Explain three conditions that suggest a surrogate key should be created for the primary key of a

Question:

Step by Step Answer:

The following three conditions are adequate to suggest that a surrogate key should be developed ...View the full answer

Modern Database Management

Students also viewed these Computer Sciences questions