What does select * from ... where trim(upper(lastname)) ==
upper('Pringle') return?
Dave
On Fri, 2003-01-10 at 18:45, Hale Pringle wrote:
> I have notices that when you want to use the upper() function, you must also
> use the trim().
>
> For example,
> In a situation where a column names lastname is char(40):
> SELECT * FROM users WHERE lastname = 'Pringle' returns one row.
>
> SELECT * FROM users WHERE UPPER(lastname) = UPPER('Pringle') will return
> zero rows.
>
> SELECT * FROM users WHERE TRIM(UPPER(lastname) = TRIM(UPPER('Pringle'))
> will return one row.
>
> This seems odd to me. Can someone explain?
>
>
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--
Dave Cramer <Dave@micro-automation.net>
