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SQL Union Query

Posted on 2015-02-19
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Last Modified: 2015-02-19
I have this case.

I want to get all records from a table called workorder where a column called datepaid is within a range, then all rows from a table called wo_adjs where the column woid is equal to the corresponding column in the table workorder called wokey and the colun in wo_adjs = 'L'.

Lets assume the date range is 2015-02-01 to 2015-02-16.

Can someone show me a sql query to do this?

The structure of both tables is attached.
table-wo-adjs.jpg
table-workorder.jpg
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Question by:Richard Korts
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3 Comments
 
LVL 11

Expert Comment

by:Dany Balian
ID: 40620213
Select * from workorder where datepaid between 2015-02-01 and 2015-02-16
Union
Select workorder.* from workorder
inner join wo_adjs on wo_adjs.whoid=workorder.wokey
where wo_adjs.type='L'
0
 

Author Comment

by:Richard Korts
ID: 40620232
To Dany Balian,

Doesn't work, I modified it slightly to omit Workorders where wokey > 200000.

So it looks like this:

Select * from workorder where datepaid >= '2015-02-01'  and datepaid <= '2015-02-16' and wokey < 200000
Union
Select workorder.* from workorder
inner join wo_adjs on wo_adjs.whoid=workorder.wokey
where wo_adjs.type='L'

It produces 119 rows.

If I just look at the table wo_adjs for type = 'L' with woid < 200000 I get 6 rows.
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LVL 11

Accepted Solution

by:
Dany Balian earned 2000 total points
ID: 40620244
So u need only 6 rows in total? If yes then u don't need union!

Select workorder.* from workorder
inner join wo_adjs on wo_adjs.whoid=workorder.wokey
where wo_adjs.type='L'
And datepaid >= '2015-02-01'  and datepaid <= '2015-02-16' and wokey < 200000

Can u give us a sample data and expected result?
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