Explain how the foreign key constraint maintains referential integrity between two tables when the database is inserted,

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

Question:

Explain how the foreign key constraint maintains referential integrity between two tables when the database is inserted, updated, or deleted. What are the different 'referential actions' (foreign key rules) that can be specified?

Related Book For answer-question

Concepts of Database Management

ISBN: 978-1285427102

8th edition

Authors: Philip J. Pratt, Mary Z. Last

Posted Date: Oct 06, 2023 06:37 AM

See More Questions

The owner of Colonial Adventure Tours would like you to complete the following tasks to help him maintain his database. In the following exercises, you will use the data in the Colonial Adventure...
Project 1 provides experience with creating ERDs and writing CREATE TABLE statements for the Expense Reporting database at XCorp, a fast-growing web consulting company. You will design an ER Diagram...
The NCAA (National Collegiate Athletic Association) wants to develop a database to keep track of information about college basketball. Each university team belongs to only one conference (e.g., the...
Refer to the situation described in P 192. Assume Pastner measures the fair value of all options on January 1, 2021, to be $4.50 per option using a single weighted-average expected life of the...
Out of curiosity, the implementer of the transport entity of Fig. 6-20 has decided to put counters inside the sleep procedure to collect statistics about the conn array. Among these are the number of...
Use proposition 3.14 directly to prove the Farkas lemma when X is a Hilbert space.
Compare and discuss the estimated longitudinal compressive strengths of Scotchply 1002 E-glass/epoxy based on (a) fiber microbuckling and (b) transverse tensile rupture. Assume linear elastic...
Razar Sharp Company purchased tool sharpening equipment on July 1, 2008, for $48,600. The equipment was expected to have a useful life of three years, or 7,500 operating hours, and a residual value...
Calculate the levelized cost of heating ($/MBTU) and the emissions (tons/MBTU) for a natural gas furnace and an electric heat pump. [10 points]
The following salaried employees of Mountain Stone Brewery in Fort Collins, Colorado, are paid semimonthly. Some employees have union dues or garnishments deducted from their pay. Required: Calculate...
Solve y,1y + (x + 2)y,41 + xy, + x + 2x + 2 = 0 x+1
Imagine a head-on collision between a compact hybrid car and a large SUV Which vehicle is acted upon by the greater force? Explain. Why are people in the smaller car more likely to get injured than...
Six years ago, Bill Tower borrowed $1,320,000 to purchase a new home. The loan had an interest rate of 6.75% p.a. and a term of 240 months (i.e., required 20 years of monthly payments with the first...
The following data pertains to the Y-fitting as shown in Fig[(a) B Volumetric inflow to section 1 = 12 l/s Outflow from section 3 = 4 l/s Pressure gauge reading at section 1 = 25 kpa Determine the...
6. (10pts) What is the average time between collisions for an electron in GaAs at T=300K doped ND = 1015 / cm? Use mGaAs = 0.067mo.
Write an essay of 300 words including the following: - I am a Columbus State Community College Student majoring in Management Information Systems - My career goal is to become a data Analyst. - I am...
A star connected synchronous motor at 187 kVA, 3-0, 2300V, 47A, 50Hz, 187.5 rpm has an effective resistance of 1.5 ohm and a synchronous reactance of 20 ohm per phase. Determine internal power...
Let X be a random variable taking on values a1, a2, . . . , pr with probabilities p1, p2, . . . , pr and with E(X) = μ. Define the spread of X as follows: This, like the standard deviation, is a...
What is an OODBMS?
What are two disadvantages of updating replicated data in a distributed database?
For the following exercises, you will address problems and answer questions from the Solmaris Condominium Group staff. You do not use the Solmaris database for any of these exercises. 1. The log...
The following is the distribution of the daily number of power failures reported in a western city on 300 days: Test at the 0.05 level of significance whether the daily number of power failures in...
With reference to Example 13, repeat the analysis after combining the categories below average and average in the training program and the categories poor and average in success. Comment on the form...
Mechanical engineers, testing a new arc-welding technique, classified welds both with respect to appearance and an X-ray inspection. Test for independence using $\alpha=0.05$ and find the...

Explain how the foreign key constraint maintains referential integrity between two tables when the database is inserted,

Question:

Expert Answer:

When an SQL operation attempts to change data in such a way that referential integrity becomes compromised a foreign key or referential constraint could be violated The database manager handles these ... View the full answer

Concepts of Database Management

Students also viewed these databases questions