Subject Need SQL help for finding non-existant records
Author Clay Shannon
I know that sounds anti-logical/non-sensical, but here goes:



I need to see who either punched in late or punched out early:



select h.fullname, s.shiftdate, p.pchin, p.pchout, s.shift_begin,
s.shift_end

from scheduled_work s

join pchup p on p.empno = s.empno

join empinfo_history h on h.empno = s.empno

where (cast(p.pchin as date) = s.shiftdate) and

((cast(p.pchin as time) > s.shift_begin) or

(cast(p.pchout as time) < s.shift_end))

order by s.shiftdate



but also need to see which records exist in scheduled_work which do not have
corresponding records in pchup-in other words, the person did not punch in
or out at all (did not show up for work on a day they were schedule to
work).



How to do?



Clay Shannon,

Dimension 4 Software





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