Which of the following overloadings will be invoked by this call?
following overloadings will be invoked by this call?
g(1.0,2.0);
a) int g(int count, double value);
b) void g(double value, int count);
c) void g(int value, int count);
d) Neither, the compiler cannot decide which of these to use.
d) Neither, the compiler cannot decide which of these to use.
The compiler tries to find an exact match, and there is none. Then the compiler tries to find a match using automatic type conversion. Part c) is excluded because use would result in two double to int conversions. The compiler says there is an ambiguity between a) and b).
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What is the purpose of the paging procedure in Bluetooth?
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To export ________ from one database to another, you must copy and paste the records
A) tables B) objects C) table relationships D) selected records
Design SQL queries that return each of the following expressions, assuming that R and S are tables representing the relations R and S, respectively: (i) R [ S, (ii) R \ S (iii) R ???? S, (iv) R / S.
For (i) to (iii), you may also assume that R and S are union compatible. For (iv), you may assume that S has attributes b1, ..., bm, and R has in addition attributes a1, ..., an.