$dbh->do ("CREATE TABLE ScoreCard
             (  id           integer PRIMARY KEY AUTOINCREMENT,
                Url          varchar(80)   NOT NULL,
                DateTime     varchar(20)   DEFAULT '1995-12-30 00:00:01',
                Description  varchar(80)   NOT NULL
             );
          ");

$dbh->do ("CREATE TABLE Participants
             (  id           integer PRIMARY KEY AUTOINCREMENT,
                Url          varchar(80)  NOT NULL REFERENCES ScoreCard(Url) ON DELETE CASCADE,
                Name         varchar(10)  NOT NULL
             );
          ");