create table write (
  ci64 integer primary key autoincrement,
  ci8 integer,
  cu64 integer,
  cu8 integer,
  cf64 real,
  cf32 real,
  cs text,
  cb varchar(1),
  cu blob
);
select * from write;
select typeof(cs), typeof(cb), typeof(cu) from write;
select length(cu) from write;