jack wrote:
Is that possible to have a two columns primary key on a table with null value on second column?Jack
Probably not, because (1,2,null,null) is unique for postresql. Watch discussion on mailing list about unique indexes (on which primary key is based) several days ago. Regards, Tomasz Myrta ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
