Here are two choices:
To answer your question ... use:
SELECT another_column FROM table_name WHERE column_name+0 > 0;
The better solution is to ALTER your table changing the column to an
int. MySQL will do the conversion as it's altering. Then you can DELETE
all records with a column value of 0.
Dan Ray wrote:
> Anybody know how to do that? The manual wasn't terribly enlightening.
> The field in question was the victim of a bad decision when the table was
> created. Although it's a VARCHAR, in fact all it's contents are numeric. I
> wouldn't mind not getting records that have any alpha characters, as those
> would certainly have been created during testing and have no relevance in
> this query I'm working on.