Someone on the list recently dave this quickie formula for computing
the no. of biz days::
DATEDIFF(date2, date1) - (WEEK(date2) - WEEK(date1)) * 2
Stembridge, Michael wrote:
A table exists with id and datetime columns; I need to SELECT records from
the previous business day. I began with this:
SELECT id FROM table WHERE TO_DAYS(NOW()) - TO_DAYS(datetime) <=1
But if NOW() is a Monday, it pulls records from Sunday (there are none since
records are inserted M-F only). I thought of using something like this in
my WHERE clause:
"AND DAYOFWEEK(datetime) != 6"
Though this doesn't seem like an operable solution (If I'm not mistaken this
would return 0 rows if no records were inserted on a Sunday).
Does MySQL include a specifier for business day?
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