Match the following Input Mask replacement characters to their meanings:
I. L A A single letter or digit is optional
II. a B. A single letter or digit is required
III. C C. Any character is optional
IV. A D. A single letter is required
V. ? E. A single letter is optional
D, A, C, B, E
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Which of the following is false?
a. Java SE 9 adds new static convenience factory methods to interfaces List, Set and Map that enable you to create small mutable collections. b. The collections returned by the convenience factory methods are not allowed to contain null values—these methods throw a NullPointerException if any argument is null. c. The iteration order is unspecified for Sets returned by the convenience factory methods. d. All of the above are true.
Fair share scheduling ensures ________.
a) fairness across sets of processes grouped by individual user b) fairness across sets of unrelated processes c) that the performance of a process is affected only by the population of its process group d) both a and c
Consider the schema Person(Id, Name, Age). Write an SQL query that ?nds the 100th oldest person in the relation. A 100th oldest person is one such that there are 99 people who are strictly older. (There can be several such people who might have the same age, or there can be none.)
What will be an ideal response?
A(n) ________ is a powerful, interactive data-mining feature that enables you to summarize and analyze data, especially helpful when working with large datasets
Fill in the blank(s) with correct word