Explain the distinction between condition-defined and user-defined constraints. Which of these constraints can the system check automatically?

Question:

Explain the distinction between condition-defined and user-defined constraints. Which of these constraints can the system check automatically? Explain your answer.

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

Step by Step Answer:

Related Book For book-img-for-question

Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

See More Books

Question Posted: Jan 28, 2011 05:54 AM

See More Questions

Explain the distinction between executive administrative agencies and independent administrative agencies.
Explain the distinction between product casts and period costs. Why is this distinction important?
Explain the distinction between par value and no-par value capital stock.
Presented here are summarized data from the balance sheets and income statements of Wiper Inc.: WIPER INC. Condensed Balance Sheets December 31, 2020, 2019, 2018 (in millions) 2020 2019 Current...
Top managers of Vermont Flooring are alarmed by their operating losses. They are considering dropping the laminate flooring product line. Company accountants have prepared the following analysis to...
Carpenter Company uses standard costing. The company has a manufacturing plant in Georgia. Standard labor-hours per unit are 0.50, and the variable overhead rate for the Georgia plant is $3.50 per...
What are some of the limitations of the traditional HR metrics?
PrideTalk Corp., reporting under ASPE, has provided the following information regarding its intangible assets : 1. A patent was purchased from Marvin Inc. for $1.2 million on January 1, 2013....
The general ledger of Karlin Company, a consulting firm, as of January 1, 2018, contained the following account balances: Account Title Debits Credits Cash 30,200 Accounts Receivable 15,500 Equipment...
Which of the seven principles of SCM do you feel will be most critical to the success of supply chains in the future?
Design a generalizationspecialization hierarchy for a motor-vehicle sales company. The company sells motorcycles, passenger cars, vans, and buses. Justify your placement of attributes at each level...
Explain the distinction between disjoint and overlapping constraints.
The following information is from the 2017 annual report of Weber Corporation, a company that supplies manufactured parts to the household appliance industry. Average total...
Select True or False to each of the following statements about collisions: a. If two objects undergo a perfectly inelastic collision, they stick together after the collision. b. In an elastic...
Provide a brief summary what was understood on the aspect of the causes or effects of segregation in city ( any kind of city within US). REFERENCE: Despite substantial gains during much of the past...
A small ball of mass m = 6.60 10- kg has acquired an o excess charge. The ball is then placed between two parallel plates spaced x = 0.00300 m apart, which have a potential difference of V = 2260 V...
What are the conditions needed for constructive interference? What are the conditions needed for destructive interference? How do these relate to acoustic resonance?
Using the following Potential Energy Diagram, determine the position at which the particle has the highest speed. (2 points correct answer, 3 points explanation) Energy (J) 5 4 3 2 0+ on 0 2 FIGURE...
Coola Vents Ltd has prepared a fixed budget performance report for the year ended 30 June 2020 as follows. Required (a) Convert the fixed budget performance report prepared by Coola Vents Ltd to a...
5. Convert the following ERD to a relational model. SEATING RTABLE Seating ID Nbr of Guests Start TimeDate End TimeDate RTable Nbr RTable Nbr of Seats RTable Rating Uses EMPLOYEE Employee ID Emp...
Define the following concepts and diagram an example: a. discrimination-training procedure b. S D c. S
Data stored in a blockchain are protected by the tamper-resistance property of a blockchain. In what way is this tamper-resistance more secure in practice than the security provided by a traditional...
Explain the distinction between a public and a permissioned blockchain and when each would be more desirable.
If you were designing a new public blockchain, why might you choose proof of-work rather than proof-of-stake?
1. Electric potential is given by V=6x-8xy-8y+6yz - 4z Then magnitude of electric force acting on 2C point charge placed on origin will be :- (1) 2N (2) 6N (3) 8N (3) 8N (4) 20 N 2. Figure shows...
17. A concave mirror produces a real image 10mm tall, of an object 2.5mm tall placed at 5cm from the mirror. Calculate focal length of the mirror and the position of the image. 18. An object is...
23. A convex mirror used for rear view on an automobile has a radius of curvature of 3m. If a bus is located at 5m from this mirror, find the position, nature and magnification of the image. 24. An...

Explain the distinction between condition-defined and user-defined constraints. Which of these constraints can the system check automatically?

Question:

Step by Step Answer:

In a generalizationspecialization hierarchy it must be possible to decide which ent...View the full answer

Database System Concepts

Students also viewed these Computer Sciences questions