COGNITIVE ASSESSMENT
What is a database that stores data in tables that consist of rows and columns?

Given the following code, what namespace does display3 belong to?

namespace ns1 { void print(); void display1(){}; } namespace ns2 { void print(); void display2(){}; } namespace { void display3(); } int main() { using namespace ns1; using namespace ns2; display1(); display2(); return 0; } namespace { void display3() { } }

In the following function header, the word int is known as a(n) __________.

``` FeetInches FeetInches::operator++(int) ``` a. parameterless data type b. incomplete argument c. dummy parameter d. incomplete parameter e. None of these