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Database systems that store each relation in a separate operating-system file may use the operating system's authorization scheme, instead of defining a special scheme themselves. Discuss an advantage and a disadvantage of such an approach.
Computer Engineering, Engineering
Suppose we have a magnetic disk with the following parameters: • Average seek time = 8 ms • Rotation rate = 7200 RPM • Transfer rate = 150 MB/second • Sector size = 512 bytes. What is the average time to read a single se ...
Create login form to enter user name and a password textbox to enter password, and write procedure to simulate the process of triggering the login process after hitting the Enter Key.
Given the following table, key and FDs, REPAIR (RepairInvoiceNumber, RepairDate, RepairCost, RepairEmployeeName, RepairEmployeePhone, SerialNumber, Type, TankCapacity) Candidate Keys: RepairInvoiceNumber, and (RepairDate ...
Question : Suppose a network with 10^9 hostnames (not including the names of the nameservers themselves) uses non-recursive DNS. Assume that there is a single root nameserver, multiple local nameservers, and M levels of ...
(a) When aqueous solutions of Pb(NO 3 ) 2 and MnCl 2 are mixed, does a precipitate form? _____ yes -no (b) Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of potassium c ...
Question: Monica's reading comprehension score = 22 Mean fourth grade reading comprehension score = 19 Standard deviation of the fourth grade's reading comprehension = 1.8 Monica's z-score in math = 2.2 Mean fourth g ...
What are the two potential souces of inefficiency in the health care market?
*Program in C* It is often times advantageous to be able to transfer data between two arrays. Need a help with program (transfer.c) that add a range (by start index and end index) of numbers from array #1 to array #2 at ...
Answer the following Question : Where does the responsibility of the software developer reside in considering the discrimination in techonology based on gender race and disability? How do you think it affects you as a pr ...
Question : Suppose a computer using set associative cache has 2^16 words of main memory and a cache of 128 blocks, and each cache block contains 8 words. Show steps, please type. a. If this cache is 2-way set associative ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As