The following items are inserted into an AVL tree: 1, 2, 3, 8, 6 . How
many rotations are performed?
a. no rotations
b. 1 single rotation only
c. 1 double rotation only
d. 1 single rotation and 1 double rotation
e. none of the above
D
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Answer the following statements true (T) or false (F)
1. Table files are used to update master files. 2. Transaction files contain information necessary to produce reports but are not able to update master files. 3. One of the primary advantages of the relational structure is that ad hoc queries are efficiently handled. 4. A one-to-many relationship may be implemented using a drop-down list.
Excel attempts to guess which cells you want to include in the function by looking for ranges that are adjacent to the selected cell and that contain numeric data.
Answer the following statement true (T) or false (F)
The final step of the security auditing process is a ____ meeting.
A. feedback B. debriefing C. research D. validation
To define an error handler, you need to first identify a statement within your Ruby program where you think an error may be able to occur, then precede it with the ____ keyword.
A. rescue B. retry C. begin D. end