Long integer is transformed when inserted in shorter column, not truncated. Why? What is the formula?

Question

I have a column of type integer with length 10:

`some_number` int(10) unsigned NOT NULL

Into this column I insert a number tha

Answer 1

http://dev.mysql.com/doc/refman/5.0/en/integer-types.html

The integer overflow will set the max allowed number in the DB as

2147483647

So you need bigint datatype for storing bigger integer