Difference Between Select and SelectMany

Question

I\'ve been searching the difference between Select and SelectMany but I haven\'t been able to find a suitable answer. I need to learn the differenc

Answer 1

It is the best way to understand i think.

            var query =
            Enumerable
                .Range(1, 10)
                .SelectMany(ints => Enumerable.Range(1, 10), (a, b) => $"{a} * {b} = {a * b}")
                .ToArray();

        Console.WriteLine(string.Join(Environment.NewLine, query));

        Console.Read();

Multiplication Table example.