Suppose user A, who has all authorization privileges on a relation r, grants select on relation r
Question:
Suppose user A, who has all authorization privileges on a relation r, grants select on relation r to public with grant option. Suppose user B then grants select on r to A. Does this cause a cycle in the authorization graph? Explain why.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (10 reviews)
Integrity constraints protect the database from ...View the full answer
Answered By
HABIBULLAH HABIBULLAH
I have been tutor on chegg for approx 5 months and had solved a lot of questions.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
Question Posted:
Students also viewed these Computer science questions
-
Suppose you are given a relation R with four attributes ABCD. For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the following: (a) Identify the...
-
A relation R on a set A is called irreflexive if for all a A, (a, a) R. (a) Give an example of a relation R on Z where R is irreflexive and transitive but not symmetric. (b) Let R be a nonempty...
-
Why did some companies backdate stock option grants in the US prior to 2002? What changed in 2002?
-
In Exercises find the derivative of the function by the limit process. f(x) = x - 4x + 5
-
Suppose that, in a suburb of 12,345 people, 6,523 people moved there within the past five years. You survey 500 people and find that 245 of the people in your sample moved to the suburb in the past...
-
Do we see radiation emitted by the Earth? Do we feel it? Explain.
-
A 500-N cube of specific gravity \(S G=1.8\) falls through water at a constant speed \(U\). Determine \(U\) if the cube falls (a) as oriented in Fig. P9.80a, (b) as oriented in Fig. P9.80b. Figure...
-
When Orlandos Arnold Palmer Hospital began plans to create a new 273-bed, 11-story hospital across the street from its existing facility, which was bursting at the seams in terms of capacity, a...
-
Durkheim's idea of the collective consciousness. What are "social facts"? Explain how Durkheim defined "collective consciousness." Is collective consciousness a social fact? Define this and say why...
-
Empirical research has found that there have been significant increases in stock price on the day an initial dividend (i.e., the first time a firm pays a cash dividend) is announced. What does this...
-
Suppose you were asked to define a class Meta Display in Java, containing a method static void printable(String r); the method takes a relation name r as input, executes the query select * from r,...
-
Suppose a user creates a new relation r1 with a foreign key referencing another relation r2. What authorization privilege does the user need on r2? Why should this not simply be allowed without any...
-
How do the e-commerce companies use the databases discussed in Review Question 1.15?
-
Turner Company owns 15% of the outstanding stock of ICA Company. During the current year, ICA paid a $4.70 million cash dividend on its common shares. Ignore income taxes. What effect did this...
-
#Convert from inline CSS to external CSS Test 1 CASCADINGSTYLE SHEETS INLINE CSS Inline Cascading Style sheets are written insidean HTML document, directly inside an elements tag using aCascading...
-
Tristan Industries has the following numbers for its payroll for November 15. . Federal income tax is $3,780 Gross pay is $42,000 . State income tax is $2,100 . FICA is $3,213 FUTA is $252 . SUTA is...
-
Evaluate using integration by parts: f^ (x. In (5x))dx. (x In (5.x)) dx = Click here to start next step (x-In (5-x))dx = +
-
Sheridan Co. started and completed 1,840 units for the period. Its beginning inventory is 736 units 25% complete and its ending inventory is 368 units 20% complete. Sheridan uses the FIFO method to...
-
Let u = (u1, u2) and v = (v1, v2). Show that (u, v) = 3u1I + 2u22 defines an inner product on C2.
-
6. (Potential Energy and Conservation of Energy) What should be the spring constant k of a spring designed to bring a 1200-kg car to rest from a speed of 95 km/h so that the occupants undergo a...
-
Repeat the previous problem, considering the case in which ys children start with different heights. Previous problem Consider a deletion operation in an AVL tree that triggers a trinode...
-
NASA wants to link n stations spread over the country using communication channels. Each pair of stations has a different bandwidth available, which is known a priori. NASA wants to select n1...
-
Repeat Exercise R-14.28 for Figure 14.13 that illustrates the topological sorting algorithm. Repeat Exercise Describe the meaning of the graphical conventions used in Figure 14.9 illustrating a DFS...
-
Provide the codification references to support your answers Scope Questions 1. Which entities are subject to the Interim Reporting guidance within the Codification? 2. Does the Foreign Currency...
-
Why should a company establish an internal control structure? (2 marks) Evaluate the advantages and disadvantages of Perpetual Inventory System against Periodical Inventory System respectively. (2...
-
The Green Chef is an exclusive restaurant in your city. Reservations are difficult to secure and the menu is expensive. The owner, Chef Jorge, is rumored to be running an illegal gambling operation...
Study smarter with the SolutionInn App