Question

Please help me to find the best solution for this puzzle?

How to I go from this table here:

ID_LOCAL ID_STATUS
-------- ---------
65       0 
65       0 
65       0
65       0
65       0
65       0
65       0
65       1
65       2
93       0
96       0
186      1

To this result here:

ID_LOCAL TOTAL ID_STATUS=0 ID_STATUS=1 ID_STATUS=2
-------- ----- ----------- ----------- -----------
65       9     7           1           1 
93       1     1           0           0
96       1     1           0           0
186      1     0           1           0

Answer 1

select ID_LOCAL,
       count(*) as Total,
       count(case when ID_STATUS = 0 then 1 end) as Status0,
       count(case when ID_STATUS = 1 then 1 end) as Status1,
       count(case when ID_STATUS = 2 then 1 end) as Status2
from YourTable
group by ID_LOCAL