At 03:52 2013-06-27, AndyHC <[email protected]> wrote:
As I've posted several times before - one day Null will bite your ass!
And it can do it even if you put not null for every
column. Try select sum() where there are no rows that match the
where clause. Mathematically, the answer is 0. SQL says NULL.
This one bit me several years ago.
[snip]
Sincerely,
Gene Wirchenko
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