Hello:

> >As I known sqlind is for know if a column allow null values and not
> >for know if a column value is null.
>
>
> In API Reference, p.92 you find:
>
> "The value contained in sqltype provides two pieces of information:
>
> a) The datatype of the parameter or select-list item.
>
> b) Whether sqlind is used to indicate NULL values. If sqlind is used,
> its value specifies whether the parameter or select-list item is NULL
> (–1), or not NULL (0).
>
> For example, if sqltype equals SQL_TEXT, the parameter or select-list
> item is a CHAR that does not use sqlind to check for a NULL value
> (because, in theory, NULL values are not allowed for it). If sqltype
> equals SQL_TEXT + 1, then sqlind can be checked to see if the
> parameter or select-list item is NULL."

Thanks, very good reference.