Hello,
I have a query where I full-outer-join 2 tables, and all the columns other
than the join column are numerical columns. For my further calculations i
need to pad the unmatched tuples with 0 (zero) instead of NULL so that I can
perform meaningful mathematical calculations on them. Is this cur
Hi,
I'm using Enterprise DB PostgresPlus version 8.3.
Is there is a simple function or command like previous_date(mydate) which
when passed a particular date, simply returns the previous date? I tried
mydate - 1
but this doesnt work.
Thanks,
Shruthi
Hello,
I have 2 tables (A and B) where the table B has a foreign key reference to
table A. Like this:
create table A (x int primary key);
create table B (y int primary key, z int references A (x) );
As you can see, i've not specified any further 'on delete' clause to the
foreign key constraint
Thanks people, but the trigger doesnt really solve my problem. You see,
there is actually a CHAIN of dependencies where B references A, C references
B, D and E reference C and so on... So if i start writing triggers for all
these, there'll be a huge process to follow. I'm not strictly against i
