I have 2 tables:
The left table1
just include ID and Status as text und just 5 Recs The table2
is linked by ID Table1 to an field which calls status in table2.
What I like to do is to sum the numbers of all types of status. My Idea was to using an left outer join an get a list of all status with numbers behind. in Case there no linked recs from table2 to an status it should a NULL
appears.
But my SQL statement just work like an ordinary join and bring only equal records. but not the records from table1 with NULL
I'd apreciate if you can have a look to my SQL statement:
SELECT task.tas_status
,v_task_status_1.param_str1
FROM v_task_status_1
LEFT OUTER JOIN task ON (v_task_status_1.param_id = task.tas_status)
You could use COUNT()
function to count and then use GROUP BY
as well
SELECT
t2.tas_status,
COUNT(*) as CountPerStatus
FROM v_task_status_1 t1
LEFT OUTER JOIN task t2
ON t1.param_id = t2.tas_status
GROUP BY t2.tas_status
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