Table: message Colum NameSQL TypeDescription idint, primary keyIncrementing message id starting at 1. timetimestampTime when message has been stored in the database. uservarchar(50), references \ref usertable "user (name)"The sender's user name (pseudonym). msglongtextThe encryped and armored message text. */ // 1 2 3 4 5 6 7 8 // 45678901234567890123456789012345678901234567890123456789012345678901234567890 require_once("opendb.php"); try { $db->query('create table if not exists message (id int primary key not null auto_increment, time timestamp default current_timestamp, user varchar(50) not null, msg longtext not null, foreign key (user) references user(name) on delete cascade on update cascade) character set utf8 engine=innodb;'); $db->query('set global max_allowed_packet=1000000000'); $db->query('set global net_buffer_length=1000000'); } catch (Exception $e) { error('database error on server'); } ?>