What type of JOIN returns all rows from the second table and any matching rows from the first table?
a. FULL OUTER JOIN
b. LEFT OUTER JOIN
c. RIGHT OUTER JOIN
d. INNER JOIN
c. RIGHT OUTER JOIN
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The disadvantage of using time delays is ____.
A. unreliable results B. the delay itself C. too many errors D. too few errors
In Section 2.8, we mentioned that local variables in a procedure are allocated on the stack. While this description is convenient for keeping the exposition simple, modern compilers work quite differently. This exercise is for you to search the Internet and find out how exactly modern compilers allocate space for local variables in a procedure call. [Hint: Recall that registers are faster than memory. So, the objective should be to keep as many of the variables in registers as possible.]
What will be an ideal response?
Common print resolutions for laser printers are between 600 and ____ dpi.
A. 1,000 B. 1,600 C. 2,000 D. 2,400
Find a pair of items, a and b, such that the rules {a} ?? {b} and {b} ?? {a} have the same confidence.
Consider the market basket transactions shown in Table 6.2.
