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05.16.2008 at 11:28AM PDT, ID: 23409303
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How to combine 3 queries?

I have three queries, query 1, 2, 3. Now I want to combine query1 data and query 2 data then minus query 3 data. My query is something like

query 1

select distinct
xec.email_address
from
....
where

query 2

select distinct
xec.email_address
from
...
where
...

query 3

SELECT /*+ ALL_ROWS */ DISTINCT
xec.email_address
FROM
...
where
...

Can you show me how to do that? sample please sounds use union,,,??
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Question Stats
Zone: Programming
Question Asked By: wasabi3689
Solution Provided By: sdstuber
Participating Experts: 3
Solution Grade: A
Views: 0
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05.16.2008 at 12:03PM PDT, ID: 21585484

Rank: Master

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05.16.2008 at 12:07PM PDT, ID: 21585509

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05.16.2008 at 12:23PM PDT, ID: 21585643

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05.16.2008 at 12:53PM PDT, ID: 21585893

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05.20.2008 at 11:04AM PDT, ID: 21608638

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05.20.2008 at 04:14PM PDT, ID: 21611083

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05.20.2008 at 06:42PM PDT, ID: 21611617

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05.20.2008 at 06:54PM PDT, ID: 21611659

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05.21.2008 at 03:08PM PDT, ID: 21619455

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05.22.2008 at 05:23AM PDT, ID: 21623069

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05.16.2008 at 12:03PM PDT, ID: 21585484

Rank: Master

Select distinct xec.email_address from ...
UNION
Select distinct xec.email_address from ...
UNION
Select distinct xec.email_address from ...

Just make sure each query has the same number of fields being returned
 
05.16.2008 at 12:07PM PDT, ID: 21585509
It seems to me that you add 3 queries data together. But I want to add query 1 data and query 2 data then minus query 3 data

query 1 + query 2 - query 3
 
05.16.2008 at 12:23PM PDT, ID: 21585643

Rank: Master

Select email_address from
(
Select distinct xec.email_address from ...
UNION
Select distinct xec.email_address from ...
) as table1
WHERE table1.email_address not in (Select distinct xec.email_address from ...)
 
05.16.2008 at 12:53PM PDT, ID: 21585893
See attached.
 
Use of union and minus operators on 3 tables.
 
 
05.20.2008 at 11:04AM PDT, ID: 21608638
hi awking00,

I have no error to run your combined query. But when I count each one to compare the balance of your combined query. I have a not small different number

query 1
select distinct
count(xec.email_address)
query2
select distinct
count(xec.email_address)
query 3
SELECT /*+ ALL_ROWS */ DISTINCT
count(xec.email_address)

I caculate qry 1+ qry 2- qry 3

compare to

(
select distinct
count(xec.email_address)
....

union

select distinct
count(xec.email_address)
from
...
)

minus

SELECT /*+ ALL_ROWS */ DISTINCT
count(xec.email_address)
FROM
...

The number is not-a-small-amount different. Why?
 
05.20.2008 at 04:14PM PDT, ID: 21611083
hi xDJR1875,

I use your query. When I run it,

"...as table1..." can not accept it. Something wrong with sytax?
 
05.20.2008 at 06:42PM PDT, ID: 21611617

Rank: Master

send me your full query please
 
05.20.2008 at 06:54PM PDT, ID: 21611659
Ok, I attached it

Please reply me with attachment. Do not post code in this box.
 
myquery
 
 
05.21.2008 at 03:08PM PDT, ID: 21619455

Rank: Master

Ok, I have made a slight change. Notice the where clause.
 
Query with change in Where clause
 
 
05.22.2008 at 05:23AM PDT, ID: 21623069

Rank: Master

try this...
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SELECT email_address
  FROM (SELECT xec.email_address
          FROM apps.xx_contact_emails xec,
               disc.local_license_details lld,
               apps.xx_license_contacts xxlc,
               apps.ra_contact_roles rcr,
               disc.local_contacts lc
         WHERE lc.country != 'Japan'
           AND NVL(lc.bad_email, 'N') = 'N'
           AND lc.contact_status = 'A'
           AND NVL(lc.restricted_email, 'N') = 'N'
           AND lc.contact_id = xec.contact_id
           AND lc.contact_id = rcr.contact_id
           AND rcr.contact_role_id = xxlc.contact_role_id
           AND xxlc.license_id = lld.license_id
           AND lld.VERSION >= '6'
           AND lld.license_status = 'Latest'
           AND rcr.usage_code IN('REGISTER', 'SITE', 'MARKET')
           AND NOT EXISTS(
                   SELECT 1
                     FROM as_interests_all ai,
                          as_interest_codes_all aic2,
                          as_interest_codes_all aic,
                          as_interest_types_all ait
                    WHERE lc.contact_id = ai.contact_id
                      AND aic.interest_type_id = ait.interest_type_id
                      AND aic.interest_code_id = ai.primary_interest_code_id
                      AND aic2.interest_code_id(+) =
                                                 ai.secondary_interest_code_id
                      AND ait.interest_type = 'Marketing list'
                      AND aic.code IN
                                ('Online Seminars', 'Wolfram Education Group')
                      AND ai.status_code = 'REMOVE'
                      AND ROWNUM = 1)
        UNION
        SELECT xec.email_address
          FROM apps.xx_contact_emails xec, disc.local_contacts lc
         WHERE lc.contact_creation_date > ADD_MONTHS(SYSDATE, -6)
           AND lc.country != 'Japan'
           AND lc.contact_id = xec.contact_id
           AND NOT EXISTS(
                   SELECT 1
                     FROM apps.ra_contact_roles rcr
                    WHERE lc.contact_id = rcr.contact_id
                      AND rcr.usage_code IS NOT NULL
                      AND ROWNUM = 1))
MINUS
SELECT xec.email_address
  FROM apps.xx_contact_emails xec,
       ra_contacts rco,
       ra_customers rcu,
       ra_addresses_all raa,
       ra_contacts_dfv rcd,
       as_interests_all ai,
       as_interest_codes_all aic2,
       as_interest_codes_all aic,
       as_interest_types_all ait
 WHERE rcu.customer_id = raa.customer_id
   AND rco.contact_id = xec.contact_id
   AND raa.address_id = rco.address_id
   AND rcu.sales_channel_code NOT IN('CERTRESELL', 'RESELLER')
   AND rco.status = 'A'
   AND rcu.status = 'A'
   AND rco.ROWID = rcd.row_id
   AND ai.contact_id = rco.contact_id
   AND aic.interest_type_id = ait.interest_type_id
   AND aic.interest_code_id = ai.primary_interest_code_id
   AND aic2.interest_code_id(+) = ai.secondary_interest_code_id
   AND ait.interest_type = 'Marketing list'
   AND aic.code = 'Online Seminars'
   AND ai.status_code = 'REMOVE'
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