Hi Can you please guide me in solving this problem Unique Constraint Prob

Question

Can you please tell me what is the problem.
Please find the table creation below.
create table table1(id int,value int);
create table table2(id1 int,value1 int);
create table maptest(id int references table1(id),id1 int references table2(id1),
CONSTRAINT map_uniq UNIQUE(id,id1));
Iam getting the following error "[ANTs Software][ANTs DATABASE ODBC driver][ants_dsn_3.61] Server returned error : ERROR (28): Target column must be unique!"
Regards,
Faizan.

Answer 1

Thanks For the reply Gints Plivna,
OOPS i forgot to put the primary key constraint for tables
create table table1(id int primary key,value int);
create table table2(id1 int primary key,value1 int);
create table maptest(id int references table1(id),id1 int references table2(id1),
CONSTRAINT map_uniq UNIQUE(id,id1));
Now this works fine ...
Thanks For your Reply