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MS-SQL query question

Posted on 2012-12-21
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Last Modified: 2013-01-25
Hi I am doing a query using MSSQL Mgt Studio in design view ( because I no nothing). On MS SQL server 2005

SELECT     patient_name.*, patient_address.*, doctor.*
FROM         patient_name CROSS JOIN
                      patient_address CROSS JOIN
                      doctor

I need to limit the query to the past 12 months (so the server doesn't gag) and produce an output I can eventually import into Excel
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Question by:Openallnight
5 Comments
 
LVL 18

Expert Comment

by:x-men
ID: 38713804
SELECT     patient_name.*, patient_address.*, doctor.*
FROM         patient_name CROSS JOIN
                      patient_address CROSS JOIN
                      doctor
where <myDatecolumn> > dateadd("m",-12,getdate())
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Author Comment

by:Openallnight
ID: 38714162
I tried to grab billing dates from a billing submission table called reconsideration_table and it bombs

Msg 170, Level 15, State 1, Line 6
Line 6: Incorrect syntax near '<'.
0
 
LVL 69

Expert Comment

by:Scott Pletcher
ID: 38714186
The server will gag from those CROSS JOINs, because they are inappropriate here.

Something like below will be close, although it's probably still not quite right, since there should be a "doctor_patient" table and/or a "patient_visit" table that would be more accurate to use for this.


SELECT     patient_name.*, patient_address.*, doctor.*
FROM         dbo.patient_name pn
INNER JOIN dbo.patient_address pa ON
    pa.patient_id = pn.patient_id
INNER JOIN dbo.doctor d ON
    d.doctor_id = pn.doctor_id
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LVL 3

Accepted Solution

by:
expert_dharam earned 500 total points
ID: 38716034
SELECT     patient_name.*, patient_address.*, doctor.*
FROM         dbo.patient_name pn
INNER JOIN dbo.patient_address pa ON
    pa.patient_id = pn.patient_id
INNER JOIN dbo.doctor d ON
    d.doctor_id = pn.doctor_id
Where YourTableDateColumn > dateadd("m",-12,getdate())

--Note: YourTableDateColumn = Column where your date values reside in the table
--Ensure YourTableDateColumn is of Datetime data type..
0
 

Author Comment

by:Openallnight
ID: 38732966
Too many errors, I don't know enough about SQL to interpret directions
0

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