Not returning dynamically allocated memory when it is no longer needed can cause a system to run out of memory prematurely. This is called a(n) __________.
a) outage
b) memory hole
c) memory access violation
d) memory leak
d) memory leak
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A program that calls function exit must include which standard header file?
What will be an ideal response?
We wish to modify a class, but we cannot do so while keeping it backward compatible. A reasonable approach is to:
A. rename the class B. form a new class, like the existing class but modified the way we want, and keep the existing class C. use a Peterson Language Modifier, go to the Build menu, select Interface, then select the modifications that prevented the class from being backwards compatible, and finally, click on the modify interface button, being careful not to drag the modifications D. make a class template, using DataType for the function name
The SELECT statement
SELECT A FROM T WHERE Paccesses a table, T, with attributes A, B, C and K, where K is the primary key, and P is a predicate. The values of all attributes are randomly chosen over the integer domain. Since the table is updated frequently, there is a limitation of at most one clustered and one unclustered index. In each of the following parts choose the indexes (type, search key, clustered or unclustered) to optimize the SELECT statement and maintain the primary key constraint when the value of P is as specied. In each case give the query plan you expect the DBMS to choose for the SELECT and the reason you think that plan is best. Do not use index covering. (a) P is (B = 10) (b) P is (B > 10) (c) P is (B > 10 AND C = 5) (d) P is (B > 10) and the WHERE clause is followed by the clause ORDER BY A
All editions of Windows 7 include backup and restore capabilities, including the ability to create a complete system image backup
Indicate whether the statement is true or false