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case/decode-all values
By using case statement and decode, I want to see all the options mentioned in case/decode even if it is zero.
For eg.
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select decode(upper(group_id), 'W','White','B','Black','O','Orange','G','Green',' P','Pink','B','Blue'), count(*)
from table_a
group by group_id
order by decode(upper(group_id), 'W','B','O','G','P','B')
In this example, I would like to see the count of all the colors even if it zero. Similarly for case also.
Output:
-------
White 567
Black 0
Orange 384
Green 894
Pink 0
Blue 83
Thanks in advance.
Sathya
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Can anyone help me out to solve this issue,please?
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