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Consider the Notown database from Exercise 2.5. You have decided to recommend that Notown use a relational database system to store company data. Show the SQL statements for creating relations corresponding to the entity sets and relationship sets in your design. Identify any constraints in the ER diagram that you are unable to capture in the SQL statements and briefly explain why you could not express them.
Suppose a transistor on an integrated circuit chip were 2 microns in size. According to Moore's Law, how large would that transistor be in 2 years? How is Moore's law relevant to programmers?
How many different customers have ordered products in each category? Two columns, categoryname and count of distinct customers. Make sure to include EVERY category.
Many resources will suggest that in the next few coming years, smartphones will become the one of the most important digital devices we own. Explain the implications of this statement.
If the brain is a computer and the mind its workings, is this fitting analogy of the computer and its software? What would happen if we had dedicated computers with a huge number of neuron circuits?
Write the exploratory essay in which you distinguish online learning with classroom (on-ground) learning. Your estimation may incorporate preparation time.
First Name, Last Name, Phone Number, email address (add additional elements as desired) 2. Include a search criteria based on last name or any of the elements created for your phone book entries in order to retrieve the information requested.
Answer these three questions below iIn AT LEAST 350 words or more. You MUST use at least one outside source with APA citations and references.
Think of a 2 country world, say the US and the UK. Each country produces two goods, say food and cloth. Suppose 7 hours of labour are required to produce one unit of either good in the UK, whereas in the US it takes 2 hours to produce one unit food a..
If /home/jenny/draft and /home/alex/letter are links to same file and following sequence of events occurs, what will be date in opening of letter? Alex gives command vim letter.
Baryla Inc. manufactures high quality decorator lamps in a plant located in eastern Tennessee. Last year the firm had sales of $93 million and a gross profit margin of 45 percent.
Early computer systems relied on command line interfaces to perform all actions. Today, the majority of systems use direct manipulation rather than a command line interface. The goal of designing a direct manipulation interface is to make use of t..
What is the main feature of random access memory?
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