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05.09.2008 at 08:53AM PDT, ID: 23389857

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8.7

Remove duplicates

Zones: Microsoft Visual Basic.Net, SQL Query Syntax

When I run the script below, if there is not match on thetblpatient AS p ON appt.chart = p.strpatientid then the record is returned as a Language = "English" and Language "Spanish" instead of just one row with for the person. How can I stop this duplicated if there is not join on the chart and strPatietnid.

thanks

         
             SELECT Distinct lastname, firstname,case when bytlanguage = 2 then 'English'  when bytlanguage = 3 THEN 'Spanish' when bytlanguage = 1 THEN 'English'               
when bytlanguage = 4 THEN 'English' else 'English' end as 'Language', appt.phone, CONVERT(VARCHAR,APPTDATE, 101) as apptdate, CONVERT(VARCHAR(10), time_hour, 120) + ':' + case when len(time_minute) > 1 then  CONVERT(VARCHAR(10), time_minute, 120) else  CONVERT(VARCHAR(10), time_minute, 120) + '0' end as time,apptreason,  name_last, name_first  FROM DDB_APPT_BASE as appt inner join ddb_pat_base as pat on appt.patid = pat.patid inner join ddb_rsc_base as rsc on appt.prprovid = rsc.urscid inner join tblpatient as p on appt.chart = p.strpatientid
WHERE CONVERT(VARCHAR,APPTDATE, 101) = CONVERT(VARCHAR,DateAdd(dd, 
   CASE WHEN DATEPART(weekday, getdate()) IN ( 5,6) THEN  4 ELSE 2 END
  , GetDate()), 101) and rsc.defaultclinic = 30
ORDER BY APPTDATE DESC

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Question Stats

Zone: Programming

Question Asked By: running32

Solution Provided By: Badotz

Participating Experts: 1

Solution Grade: A

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05.09.2008 at 10:28AM PDT, ID: 21534937

Badotz:

Change <inner join ddb_pat_base> to <left join ddb_pat_base>

05.09.2008 at 11:04AM PDT, ID: 21535182

running32:

Nope that is not it! now it gives all the results. I need some time of if statement I'm guessing

05.09.2008 at 11:17AM PDT, ID: 21535267

Badotz:

My grasp of thing is slipping, forgive me. And my SQL is "by-the-seat-of-the-pants" anyways ;-)

Change <left join ddb_pat_base> to <right join ddb_pat_base>

that might do it.

05.09.2008 at 11:31AM PDT, ID: 21535371

running32:

Nope thanks for the help but I still get the duplicate.

It works just fine until I need to query the bytlanuage field. this is in the tblPatient <inner join tblpatient as p on appt.chart = p.strpatientid> When there is not matching strPatientid in tblPatient it returns back 5 rows for one record which would be the 1 2 3 4 5 and null options for the bytlanuage.

Thanks

05.09.2008 at 11:46AM PDT, ID: 21535480

Badotz:

I reformatted the query for easier reading.

A few observations:

SELECT Distinct lastname, firstname,
case
when bytlanguage...

From what table do <lastname>, <firstname> and <bytlanguage> come? From what table do <APPTDATE> and <time_hour> come?

Since you use abbreviations for your table names, and sometimes use them as a prefix to the column names, is why I ask. You see my confusion? I like to know where my columns originate.

Once all of the columns are prefixed, then maybe we can figure this out. Meanwhile, copy the query and then remove all but the first two tables (and their columns), just to see if the duplicates disappear. Then add the third table, etc.

                       
         
           
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             /*
 
SELECT Distinct lastname, firstname, 
case 
  when bytlanguage = 1 THEN 'English'               
  when bytlanguage = 2 then 'English' 
  when bytlanguage = 3 THEN 'Spanish' 
  when bytlanguage = 4 THEN 'English' 
  else 'English' 
end as 'Language', 
appt.phone, 
CONVERT(VARCHAR,APPTDATE, 101) as apptdate, 
CONVERT(VARCHAR(10), time_hour, 120) + ':' + 
  case 
    when len(time_minute) > 1 then CONVERT(VARCHAR(10), time_minute, 120) else CONVERT(VARCHAR(10), time_minute, 120) + '0' 
  end as time, 
apptreason,  name_last, name_first 
FROM DDB_APPT_BASE as appt 
inner join ddb_pat_base as pat on appt.patid = pat.patid 
inner join ddb_rsc_base as rsc on appt.prprovid = rsc.urscid 
inner join tblpatient as p on appt.chart = p.strpatientid
WHERE CONVERT(VARCHAR,APPTDATE, 101) = 
CONVERT(VARCHAR,DateAdd(dd, 
  CASE 
      WHEN DATEPART(weekday, getdate()) IN (5,6) THEN 4 ELSE 2 
  END, 
  GetDate()), 101) 
and rsc.defaultclinic = 30
ORDER BY APPTDATE DESC
 
*/

           
         

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Accepted Solution

05.09.2008 at 12:00PM PDT, ID: 21535584

running32:

the duplicates disappear then I remove the inner join tblpatient as p on appt.chart = p.strpatientid. but then I also have the remove the bytlanguage because that is contained in the tblPatient

05.09.2008 at 12:46PM PDT, ID: 21535902

Badotz:

Is there more than one row in <appt.chart> for a single patient?

05.09.2008 at 12:49PM PDT, ID: 21535918

running32:

There could be yes, but there isn't for the people who are being duplicated. Thanks

05.09.2008 at 12:55PM PDT, ID: 21535964

Badotz:

Again, without seeing the source of the columns, there isn't much more I can do.

05.15.2008 at 07:07AM PDT, ID: 21573762

Badotz:

Not to seem ungrateful, but where, exactly, is the solution? Certainly not in simply formatting your query?

20080236-EE-VQP-29 / EE_QW_EXPERT_20070906