Hi, I´m trying to do the follow: create a table like: create table t( cod serial, data_type char(10), value ??? ); I would like to do the follow the table would tell me what data type its the value. For instance: insert into t values(1, 'Integer', 12); insert into t values(2, 'String', 'test'); insert into t values(3, 'Float', 1.23); How can i do that? Its that possible? How Can i solve this problem? Thanks a lot