主题：【求助】关在酒店里考试，急问三道C#和SQL题。多谢！！ -- bourne

1. Which of the following is valid entry points to a Console application?

Select zero or more answers:

(A) static void Main()

(B) static int Main(string args)

(C) static int Main()

(D) static void Main(string[] args)

(E) static int Main(string[] args)

2. What will be the output for the following code fragment?

int a = 10;

if (a = 20) {a = 15; Console.WriteLine(a);}

Select one answer:

(A) 15

(B) 20

(C) 10

(D) The compiler will generate an error

3. What value does the SQL Server statement return?

select count(*) from a, b

where tale 'a' has 10 records and table 'b' has 10 records

Select one answer:

(A) 10

(B) 20

(C) 100

(D) 1000