Design a multidatabase query plan and a set of SQL statements that implement the query of the previous exercise.
What will be an ideal response?
1. At site A, perform a SELECT statement on the database at site C that returns the SSnum and Age of all employees for which Title = ‘Manager’. Since there are 50 managers, the total amount of information returned is 50 ? (9+ 6) or 750 bytes
2. At site A, perform a SELECT on the database at site B that returns the entire EMP21 database. The total amount of information returned is 10000 ? 30 or 3 megabytes.
3. At site A, perform the join of the two tables from steps 1 and 2, and select those names whose salary is greater than their age.
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Answer the following statements true (T) or false (F)
1. You must store the header file in a separate file from the implementation file. 2. The data members of a class are usually placed in the private section of a class. 3. If the implementation of a member function calls another member function you do not need to use dot notation. 4. A constructor cannot specify a return type. 5. The implementation of the member functions cannot access the private section of the class.
What does the command line vty 0 5 mean?
What will be an ideal response?
In the Actions panel, you write code known as a(n) ____________________ that tells Flash what event to listen for and then what to do once it hears the event.
Fill in the blank(s) with the appropriate word(s).
To cope with the uncertainty about how their pages will be viewed, many web page designers opt to use _________ units, which are expressed relative to the size of other objects within the web page.?
Fill in the blank(s) with the appropriate word(s).