See if you like this:
SELECT TABLE_SCHEMA as db, TABLE_NAME, COLUMN_NAME,
ORDER BY 3,4,5;
You might be able to embellish on it to avoid consistent definitions, etc.
> -----Original Message-----
> From: Daevid Vincent [mailto:daevid@stripped]
> Sent: Monday, July 08, 2013 2:11 PM
> To: mysql@stripped
> Subject: Need query to determine different column definitions across
> I'm noticing that across our several databases and hundreds of tables that
> column definitions are not consistent. I'm wondering if there is a tool or
> query (using INFORMATION_SCHEMA perhaps) that will show me all databases,
> tables and columns where they don't match (by column name).
> For example in one table `foo_id` might be UNSIGNED and in other's it is
> not. Or maybe it's INT(11) in some and INT(10) or worse MEDIUMINT in
> Or extending further Charset/Collation might mismatch and be that stupid
> "latin1_swedish_ci" and fixed to be "utf8" in others.
> Stuff like that. I want to see everything where there is some difference.