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1. What is the purpose of the DISTINCT operator?
2. What is the purpose of the ORDER BY clause?
3. Name the five SQL built-in functions and describe the purpose of each.
4. Explain the difference between the SUM and COUNT built-in functions.
You probably obey most laws; however, you may not view some seriously enough to obey them. For example, you might be someone who is comfortable going faster than the posted speed limit. Is it all right to ignore some laws because they do not seem ..
Solar panels are mounted on a large rack. This rack needs to be rotated during the day to follow the sun and thus achieve a maximum charge.
Create a data dictionary that identifies the variables. For the dictionary, be sure to include the variable name, data type, and scope of use.
Given two sorted arrays A and B, of sizes n1 and n2 respectively, design an algorithm to find the kth largest key. The order of growth of the worst case running time of your algorithm should be log n, where n = n1+n2
What is the difference between customer relationship management, supplier relationship management, and employee relationship management? Give a specific example of each one.
If you run the SQL query in Question 2b after the credit limit has been increased, would Toys Galore be included in the query results? Why or why not?
Think about the differences between IP-layer fragmentation and link-layer fragmentation.
Research the role of streaming media to support organizational objectives. What are three possible ways that streaming media can be used to accomplish the objectives of an organization
Consider a third-order ODE of the form d3 y/dx3 = F(x, y, dy/dx). Develop a finite difference scheme for solving this equation if y = A at x = a; y = B at x = b; and dy/dx = C at x = a. Assume that F is a linear function in the dependent variable ..
Solve the equation -24x - 4y + 32 = 0 for y. Hint: Remember to do this we have to get the y by itself on one side of the equation and all the other values on the other side
Consider the subsequent circuit, which detects even parity. There are one output, even, and three inputs, a(2), a(l) and a(0), which are grouped as a vector or bus.
Why four people must waste their time looking for faults when one person can run test cases on same piece of code. How do you respond?
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