In the last episode (May 20), Sameer Maggon said:
> I have a table with four colums
> addr - varchar (used my sql C API)
> I want that when i add an entry, the PRIMARY KEY IS ALL OF THEM
> means that no entry should repeat.
> I used ALTER TABLE sss ADD PRIMARY KEY (all four field)
> but not when i add my things, after 104 items, it gives an
> error, DUPLICATE ENTRY
Paste in the full error message, and if you made 'id' a TINYINT
AUTO_INCREMENT, think very very carefully about the rage of a TINYINT.