Select ALL fields that contains only UPPERCASE letters

Question

How do you select a field that contains only uppercase character in mysql or a field that doesn\'t contain any lower case character?

Answer 1

SELECT * FROM table1 WHERE (columnname COLLATE latin1_bin )=UPPER(depart);

Answer 2

Found this in the comments - it deserves a post of its own:

SELECT * FROM mytable WHERE BINARY mycolumn = BINARY UPPER(mycolumn);

The problem with WHERE UPPER(mycolumn) = mycolumn is the collation, and it depends on your table what you can use there.