All matter is made of atoms. Atoms are the smallest particle of matter. They are so small that you cannot see them with your eyes or even with a standard microscope. A standard sheet of paper is about a million atoms thick.
Answer Wiki. The int type is a 4-byte signed integer. There are also tinyint (1 byte), smallint (2 bytes), and bigint (8 bytes), and unsigned versions of all of these. As Apostolos mentioned, the docs for all the numeric types are here: http://dev.mysql.com/doc/refman/...
public struct struct1 { public byte a; // 1 byte public int b; // 4 bytes public short c; // 2 bytes public byte d; // 1 byte }. A reasonable answer is 8 bytes, this being the sum of the field sizes. If you actually investigate the size of the struct using: