query convertion

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Hi friends, please help me.

I got stuck in one of my tasks, i.e I want to convert a union query into join query using and I should get the same output as if in union query. Please help me!

union query

select distinct p1.people_id,p1.fullname,p1.company_id,c1.company_name,p1.city,p1.state,p1.country,p1.user_id from people p1,company c1 where c1.company_id=p1.company_id and p1.verify_status='Yes' and p1.royalty='Yes' and p1.user_id='" + userID + "' and p1.delete_status='No' union select p1.people_id,p1.fullname,p1.company_id,c1.company_name,p1.city,p1.state,p1.country,p1.user_id from BackupPeople p1,company c1 where c1.company_id=p1.company_id and p1.user_id='" + userID + "'";

I want to convert it into join with same output.

Posted 1-Nov-10 20:29pm

PRADEEPPEDNEKAR

Updated 1-Nov-10 20:30pm

JF2015

v2

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RDBurmon · Answer 1 · 2010-11-01T22:49:00

SQL

SELECT DISTINCT p1.people_id,p1.fullname,p1.company_id,c1.company_name,p1.city,p1.state,p1.country,p1.user_id
FROM #people p1 INNER JOIN #company C1 ON c1.company_id=p1.company_id
                INNER JOIN #BackupPeople Bp1 ON c1.company_id=Bp1.company_id
WHERE
          p1.verify_status='Yes'
      AND p1.royalty='Yes'
      AND p1.user_id=1
      AND p1.delete_status='No'