<span>True. When users make changes to the database, such as creating, altering, or dropping tables or creating or dropping indexes, the DBMS updates the system catalog automatically.</span>
Answer:
Option (B) is the correct answer to the following questions.
Explanation:
The following option is correct because the binary scope operator is used to define the global variable only when the local variable has also the same name and we want to use global variable also or we also use scope operate when we do not want to use any function inside the class.
The following option (A) is wrong because we not always required binary scope operator and the option (C) is wrong because we cannot use the scope operator anywhere and the option (d) is already wrong because that binary scope operator would not be used in the function prototype.
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To stop your<span> CRT </span>screen<span> from </span>flickering<span>, </span>you<span> need to change the rate (Hertz) at which </span>your monitor<span> refreshes. To </span>do<span> this in Windows 7, begin by clicking on Start></span>Control<span> Panel></span>Display<span>. This </span>will<span> bring up </span>your<span> computer's </span>display<span>settings.</span>
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