Questions

The difference between Union and Union all is that Union all will not eliminate duplicate rows, instead it just pulls all rows from all tables fitting your query specifics and combines them into a table. A UNION statement effectively does a SELECT DISTINCT on the results set.

Hungarian capital city Budapest is where the World Wrestling Championship has begun in which Bajrang Punia resembles India.

Golden Revolution refers to Horticulture. Horticulture has been defined as the culture of plants for food, comfort and beauty.

United States was the country that was responsible for the idea of the internet.

#include<stdio.h>
int main(){
    int a=5,b=10;
    a=b+a;
    b=a-b;
    a=a-b;
    printf("a= %d  b=  %d",a,b);
}

Agronomy is a branch of agriculture that deals with the study of crops and the soils in which they are produced.