select "month",
SUM(case when department = 'Physics' and property = 'undergraduate' then total_no_students else 0 end) as "Physics-undergrad",
[...]
from table_name
group by "month"
select "month",
SUM(case when department = 'Physics' and property = 'undergraduate' then total_no_students else 0 end) as "Physics-undergrad",
[...]
from table_name
group by "month"
mysql_fetch_assoc():argumen yang diberikan bukan sumber hasil MySQL yang valid di php
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