How to club data on the bases of year in SQL server 2008

Question

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iyear	nu_jan	nu_feb	nu_mar	nu_apr	nu_may	nu_jun	nu_jul	nu_aug	nu_sep	nu_oct	nu_nov	nu_dec
2016	NULL	NULL	NULL	0.2	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	0.34	NULL	NULL	NULL	NULL	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	0.34	NULL	NULL	NULL	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	2.76	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	NULL	NULL	2.04	NULL	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	2.1	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	NULL	1.62	NULL	NULL	NULL	NULL	NULL
2016	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	2.1
2016	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	2.14	NULL

i want result like this

iyear	nu_jan	nu_feb	nu_mar	nu_apr	nu_may	nu_jun	nu_jul	nu_aug	nu_sep	nu_oct	nu_nov	nu_dec
2016	NULL	NULL	NULL	0.2	.34	.34	1.62	2.04	2.76	2.1	2.14 	2.1

What I have tried:

i have tried to do

PIVOT

. but its not work

Posted 4-Apr-17 23:15pm

Member 11876124

Updated 4-Apr-17 23:52pm

Jörgen Andersson

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Jörgen Andersson 5-Apr-17 5:28am

Pivot should work, show us your code.

1 solution

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OriginalGriff · Answer 1 · 2017-04-04T23:52:00

Solution 1

Just GROUP by year and show the MAX:

SELECT iYear, MAX(nu_jan), MAX(nu_Feb), ...
FROM MyTable
GROUP BY iYear

Posted 4-Apr-17 23:52pm

OriginalGriff