mysql int 타입 최대/최소 값

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MySQL supports the SQL standard integer types INTEGER (or INT) and SMALLINT. 

As an extension to the standard, MySQL also supports the integer types TINYINT, MEDIUMINT, and BIGINT. 

The following table shows the required storage and range for each integer type.

참조: http://dev.mysql.com/doc/refman/5.5/en/integer-types.html

https://zetawiki.com/wiki/MySQL_%EC%9E%90%EB%A3%8C%ED%98%95