I was able to resolve the problem described below by using a trigger to set ID and running the sql from flamerobin rather than ibexpert. Two changes, so I don't know which solved my problem, but it should be easy from here...

--- In firebird-support@yahoogroups.com, "alexy211" <alexyyahoo@...> wrote:
>
> I'm having problems importing data into a database I have set up for learning SQL and Firebird.
>
> TableA has data in the following fields:
> L_Name varchar 30 not null
> F_Name varchar 30
> DOB Date not null
> Gender domain gender, where the domain is char 1, with allowed values of 'M', 'F', or 'U', not null
> TableA has no primary key
>
>
> TableB is empty, and has exactly the same fields plus a primary key:
> ID integer, not null, generated by sequence Gen_ID
>
> Below is sql I have used to try to copy data from tableA to tableB:
>
> insert into TableB (l_name, f_name, gender, dob)
> select l_name, f_name, gender, dob
> from TableA;
>
> When I try running this, the error message I get (I don't know whether from sql or ibexpert) is:
>
> "The insert failed because a column definition includes validation constraints.
> validation error for column @1, value "@2".
>
> Firebird 2.5
> Win XP SP3
> IBExpert personal edition
>
> Thanks in advance for any help you can provide.
>
> Alex
>