https://dev.mysql.com/doc/refman/8.0/en/numeric-type-overview.html " M indicates the maximum display width for integer types. The maximum display width is 255. Display width is unrelated to the range of values a type can contain"

I just inserted "1111111111" into an INT(5) column and was able to create a INT(200) column as well.

On Mon, Apr 23, 2018 at 3:59 PM, Reindl Harald <h.reindl@thelounge.net> wrote:

Am 23.04.2018 um 15:51 schrieb Alexander Barkov:
> Does anybody see any problems if in 10.4 we fix all metadata statements,
> such as:
>
> - SHOW CREATE TABLE t1
> - DESCRIBE t1
> - SELECT * FROM INFORMATION_SCHEMA.COLUMNS
> not to print the default length for non-ZEROFILL columns?
yes - consumer code may rely on parse outputs

and frankly i assumed that when i define a unsigned tinyit(2) in can
hold 0-99 and would reject -1 oder 100 in strict-mode with an error

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