Re: DBI docs on binding NULL/undef values

[Bart Lateur]

On Wed, 13 Feb 2002 18:03:07 -0500, Jeff Urlwin wrote:

>With SQL Server 2000 and DBD::ODBC,
>       col_a = null returns no rows

(null = null) is always false

>       col_a is null returns 1 row

so that's the one you want, I assume?

>       ? is null (passing col_a) returns 0 rows

The value "col_a" is not null, obviously.

-- 
        Bart.