Thomas Poty writes:
> I wanted to test if char and varchar can be cross-referenced as foreign
> key. So i did these tests :
> ...
> I thought the columns referring and referenced had to be the same data type
> with the same length but it seems not to be the case.
Looking into the code, I see that
Hi world,
I wanted to test if char and varchar can be cross-referenced as foreign
key. So i did these tests :
1) Can a varchar(7) reference a char(2) ? PostgreSQL accepts it
create table t1 (id char(2) primary key, data text);
create table t2 (id char(2) primary key, data text, id_t1 varchar(7)
r