How to group by month from Date field using sql

Question

How can I group only by month from a date field (and not group by day)?

Here is what my date field looks like:

2012-05-01

Here is m

Answer 1

Try this:

select min(closing_date), date_part('month',closing_date) || '-' || date_part('year',closing_date) AS month,
Category, COUNT(Status)TotalCount 
FROM MyTable
where Closing_Date >= '2012-02-01' AND Closing_Date <= '2012-12-31'
AND Defect_Status1 is not null
GROUP BY month, Category,
ORDER BY 1

This way you are grouping by a concatenated date format, joined by a -