> I have try the following and failed
>
> String sql = "create table t1 (f1 varchar(20)); create table t2 (f2
> varchar(20)); create table t3 (f3 varchar(20));";
> Statement stmt = connection.createStatement();
> stmt.executeStatement(sql);
>
> Does Firebird support this? The program is originally for
> Postresql.

No it does not.

Best regards,
Roman Rokytskyy