How we can use union on this situation

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My Table like this

id  name col1
1   a    2
2   b    1
3   c    1
4   d    0
5   e    0
6   f    3
7   g    3

And i want output like this where 
1st i want my list in ASC oreder except "0"
and at the end i want to merge the all row that contains "0"

name col1
b    1
c    1
a    2
f    3
g    3
d    0
e    0

Posted 7-Nov-14 20:38pm

Dev Ashish Jangid

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Garth J Lancaster · Answer 1 · 2014-11-07T20:47:00

think of it as two queries first

SQL

select name, col1 from table where col1 != 0 order by name

and

SQL

select name, col1 from table where col1 = 0 order by name

now, if you think of my 'and' as a 'union' you should know what to do to put the two queries together (you may need to modify my SQL slightly, Im not sure if for example != is valid in your SQL platform, but you should get the idea)

give it a shot, play around - the only way you learn is by doing, maybe getting it wrong, but then trying again

How we can use union on this situation

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How we can use union on this situation

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