--- In firebird-support@yahoogroups.com, "stevenggibb"
<stevenggibb@...> wrote:

>
> I get the error below when running a simple SQL select on a table.
> I cannot find this error code in "The Firebird Book" or documentation.
>
> Incompatible column/host variable data type.
> Dynamic SQL Error.
> SQL error code = -303.
> arithmetic exception, numeric overflow, or string truncation.
>

Hi,

are you trying to use that select to put into another table? I just
ran over this error today and in my case it turned out to be that I
was trying to insert a string larger than the field's length.

Best regards,

Guillem