In Datasheet view, what does a pencil symbol to the left of a record indicate?
A) Data in that record has not been saved yet.
B) Data in that record is about to be deleted.
C) Data in that record has recently been modified and saved.
D) Data in that record has a data integrity violation and needs to be changed.
A
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Explain why making some replica managers read-only may improve the performance of a gossip system.
What will be an ideal response?
Suppose list is a LinkedList that contains 1 million int values. Analyze the following code:
``` A: for (int i = 0; i < list.size(); i++) sum += list.get(i); B: for (int i: list) sum += i; ``` a. Code fragment A runs faster than code fragment B. b. Code fragment B runs faster than code fragment A. c. Code fragment A runs as fast as code fragment B.
The ____________________ method is used to remove spaces from the beginning and end of a string.
Fill in the blank(s) with the appropriate word(s).
A query for which the user provides the criterion at run time.
What will be an ideal response?