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Answer the following questions for the View Ridge Gallery database discussed in Chapter 7 with the tables shown in Figure 7-15.
A. Suppose that you are developing a stored procedure to record an artist who has never been in the gallery before, a work for that artist, and a row in the TRANS table to record the date acquired and the acquisition price. How will you declare the boundaries of the transaction? What transaction isolation level will you use?
B. Suppose that you are writing a stored procedure to change values in the CUSTOMER table. What transaction isolation level will you use?
C. Suppose that you are writing a stored procedure to record a customer's purchase. Assume that the customer's data are new. How will you declare the boundaries of the transaction? What isolation level will you use?
D. Suppose that you are writing a stored procedure to check the validity of the intersection table. Specifically, for each customer, your procedure should read the customer's transaction and determine the artist of that work. Given the artist, your procedure should then check to ensure that an interest has been declared for that artist in the intersection table. If there is no such intersection row, your procedure should create one. How will you set the boundaries of your transaction? What isolation level will you use? What cursor types (if any) will you use?
Show the IEEE 754 bit pattern for the subsequent numbers (assume excess 127):
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Examine the pseudocode sample provided, and explain what it does line by line.
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Suppose that two columns in two different tables have the same column name. What convention is used to give each a unique name?
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We must assume that Trudy can do all of these except A) attempt to impersonate either Bob or Alice B) hijack or take over a connection between Bob and Alice C) evesdrop or intercept messages between Bob and Alice D) know Bob or Alice's private key 2...
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