Hi,
you can use:
SELECT COUNT(B.Booking_ID), User_Location
FROM Users U
LEFT JOIN Bookings B ON U.User_ID = B.User_ID
GROUP BY(U.User_Location);
/Johan
shaun thornburgh wrote:
Hi,
The following table produces a query that shows all bookings that user
has made and groups the number of bookings by the users location code.
mysql> SELECT COUNT(B.Booking_ID), User_Location FROM Bookings B, Users
U WHERE U.User_ID = B.User_ID GROUP BY(U.User_Location);
At the momnet if no bookings are made by a particular user then their
location isnt included in the result. Is it possible to modify this
query so that if no bookings are made for a particlar location then the
location is still included in the result i.e.
+---------------------+---------------+
| COUNT(B.Booking_ID) | User_Location |
+---------------------+---------------+
| 1 | 01 |
| 8 | 02 |
| 9 | 03 |
| 1 | 04 |
| 1 | 05 |
| 2 | 06 |
| 1 | 07 |
...
Many thanks for your help
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Johan Höök, Pythagoras Engineering Group
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