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What are the nine rules of thumb for selecting indexes for the relational database?
Provide a brief description of each rule.
Provide rationale regarding why each of these rules has important consideration.
Computer Engineering, Engineering
Display the manager of the employee with the oldest project start date (start_date). (This query requires 3 nested queries, start by finding the min start_date from project, then find the emp_id from project where start_ ...
Garber and Skinner suggest that the large per capital health spending in the US (and relatively low returns to health) are due to productive and allocative inefficiencies. Which inefficiency (if either) do you think char ...
Suppose you are given a connected graph G, with edge costs that are all distinct. Prove that G has a unique minimum spanning tree.
Suppose that a block can contain at most four data values and that all data values are integers. Using only B+ trees of degree 2, give examples of each of the following : a. A B+ tree whose height changes from 2 to 3 whe ...
Need help with this...The element gallium has an average atomic mass of 69.723 amu and only two naturally occurring isotopes. One isotope has a mass of 68.926 amu and the second isotope has a mass of 70.925 amu. Based on ...
Why is a mixture of ethanol and water needed to perform a reaction between oil and NaOH? This question is from a soap lab where we made soap from oils.
Why regulated industries should be required to follow security standards. Provide 2 examples of industries that would fall under this category.
Question : Having separate level 1 caches for instructions and data is a popular technique. Describe how this might pay off if a short loop of code that is operating on a giant array. Imagine that instructions and data e ...
Can someone help me with this question? You need step by step and You need names of any theorms or formulas you are using please. The Codechef Programming Society has 198 membership-paying mem- bers, 97 females and 101 m ...
1. Write a critique / review of the following paper. 2. Your critique should be as objective as possible: highlight what you consider to be its strongest and weakest aspects. Are themes discernible that would help one to ...
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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