P G <[EMAIL PROTECTED]> writes:
> I see that one can add a new column to an existing
> table. The documentation was not clear on how
> efficient this operation would be.
> Does PostgreSQL make a copy of the entire table when
> adding a new column? Or does it simply use extra
> space in the data
I see that one can add a new column to an existing
table. The documentation was not clear on how
efficient this operation would be.
Does PostgreSQL make a copy of the entire table when
adding a new column? Or does it simply use extra
space in the data blocks to add the new column?
