QUERY - No Duplicate records from 2nd table ???

Hi Experts,
I really need help with this. I have 2 tables A and B. See below
<b>A -
B</b>
X -
XB1
XB2
XB3
Y----
YB
Z----
ZB
I select a record from A and get its record from B and give it on the output. For entry X I have 3 records in Table B. I want the output to give only 1 record from B for X. It can be any record. How can this be achieved in Query ?
Is there a special Join ? or can this be achieved by coding in Query ? If so how ?
I really appreciate your help.
Thanks !!

First get the data from table A.
select * from table (A) into table i_a.
loop at i_a.
select single * from table B into table i_b.
move b reord to final internal table
append final internal table.
endloop.

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Importing and Updating Non-Duplicate Records from 2 Tables

I need some help with the code to import data from one table
into another if it is not a duplicate or if a record has changed.
I have 2 tables, Members and NetNews. I want to check NetNews
and import non-duplicate records from Members into NetNews and
update an email address in NetNews if it has changed in Members. I
figured it could be as simple as checking Members.MembersNumber and
Members.Email against the existance of NetNews.Email and
Members.MemberNumber and if a record in NetNews does not exist,
create it and if the email address in Members.email has changed,
update it in NetNews.Email.
Here is what I have from all of the suggestions received from
another category last year. It is not complete, but I am stuck on
the solution. Can someone please help me get this code working?
Thanks!
<cfquery datasource="#application.dsrepl#"
name="qryMember">
SELECT distinct Email,FirstName,LastName,MemberNumber
FROM members
WHERE memberstanding <= 2 AND email IS NOT NULL AND email
<> ' '
</cfquery>
<cfquery datasource="#application.ds#"
name="newsMember">
SELECT distinct MemberNumber
FROM NetNews
</cfquery>
<cfif
not(listfindnocase(valuelist(newsMember.MemberNumber),qryMember.MemberNumber)
AND isnumeric(qryMember.MemberNumber))>
insert into NetNews (Email_address, First_Name, Last_Name,
MemberNumber)
values ('#trim(qryMember.Email)#',
'#trim(qryMember.FirstName)#', '#trim(qryMember.LastName)#', '#
trim(qryMember.MemberNumber)#')-
</cfif>
</cfloop>
</cfquery>
------------------

Dan,
My DBA doesn't have the experience to help with a VIEW. Did I
mention that these are 2 separate databases on different servers?
This project is over a year old now and it really needs to get
finished so I thought the import would be the easiest way to go.
Thanks to your help, it is almost working.
I added some additional code to check for a changed email
address and update the NetNews database. It runs without error, but
I don't have a way to test it right now. Can you please look at the
code and see if it looks OK?
I am also still getting an error on line 10 after the routine
runs. The line that has this code: "and membernumber not in
(<cfqueryparam list="yes"
value="#valuelist(newsmember.membernumber)#
cfsqltype="cf_sql_integer">)" even with the cfif that Phil
suggested.
<cfquery datasource="#application.ds#"
name="newsMember">
SELECT distinct MemberNumber, Email_Address
FROM NetNewsTest
</cfquery>
<cfquery datasource="#application.dsrepl#"
name="qryMember">
SELECT distinct Email,FirstName,LastName,MemberNumber
FROM members
WHERE memberstanding <= 2 AND email IS NOT NULL AND email
<> ' '
and membernumber not in (<cfqueryparam list="yes"
value="#valuelist(newsmember.membernumber)#"
cfsqltype="cf_sql_integer">)
</cfquery>
<CFIF qryMember.recordcount NEQ 0>
<cfloop query ="qryMember">
<cfquery datasource="#application.ds#"
name="newsMember">
insert into NetNewsTest (Email_address, First_Name,
Last_Name, MemberNumber)
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'#trim(qryMember.FirstName)#', '#trim(qryMember.LastName)#', '#
trim(qryMember.MemberNumber)#')
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</cfloop>
</cfif>
<cfquery datasource="#application.dsrepl#"
name="qryEmail">
SELECT distinct Email
FROM members
WHERE memberstanding <= 2 AND email IS NOT NULL AND email
<> ' '
and qryMember.email NEQ newsMember.email
</cfquery>
<CFIF qryEmail.recordcount NEQ 0>
<cfloop query ="qryEmail">
<cfquery datasource="#application.ds#"
name="newsMember">
update NetNewsTest (Email_address)
values ('#trim(qryMember.Email)#')
where email_address = #qryEmail.email#
</cfquery>
</cfloop>
</cfif>
Thank you again for the help.

To delete duplicate records from internal table

hi friends,
i have to delete records from internal table based on following criterion.
total fields are 7.
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if there are 3 records as follows
a1 b1 c1 d1 e1 f g
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LOOP AT ITAB.
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Message was edited by: Srikanth Kidambi
added comments
Message was edited by: Srikanth Kidambi

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Pradeep

Hi Frank,
I do have a distinct in my sql but due to 1->M joins i get duplicate rows. I can avoid it only if i can unselect the attributes in the select.
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Pradeep

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Hi Expert,
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Edited by: jaykrishna007 on Jul 29, 2011 11:41 AM

Hi FCannavo,
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and then
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Hi
I desire to use a query to select duplicate columns (based on all the columns of the table) ...
I am able to write queries which include column names, but when my table contains more than 50 columns, is it advisable for me to mention all the 50 column names in the query or is there any other query by which duplicate rows can be selected without column names being mentioned ?
Thnx in advance
Regards

Basic rule of relational design says that "thy table shalt have a primary key".
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E.g.
select
t1.*,
t2.*
from table t1,
table t2
where t1.col1 = t2.col1
and t1.col2 = t2.col2
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Please see this link:
Remove duplicate records ...
sqldevelop.wordpress.com

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hi
there are around 200 tables, I want to take a export of all tables of xyz schema.
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Hi Toni...
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Hi.
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Four different view types are supported. These differ in the
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Database views are implemented with an equivalent view on
the database.
Projection views are used to hide fields of a table (only
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Help views can be used as selection method in search helps.
Maintenance views permit you to maintain the data
distributed
on several tables for one application object at one time.
step by step creation of Maintenance view:
With the help of the table maintenance generator, you are able to maintain the ENTRIES of the table in SM30 transaction.
It can be set in transaction SE11 - Tools - Table maintenance generator.
Table maintanance Generator is used to manually input values using transaction sm30
follow below steps
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2) utilities-table maintanance Generator-> create function group and assign it under
function group input box. Also assign authorization group default &NC& .
3) select standard recording routine radio in table table mainitainence generator to move table
contents to quality and production by assigning it to request.
4) select maintaience type as single step.
5) maintainence screen as system generated numbers this dialog box appears when you click on create button
6) save and activate table
One step, two step in Table Maintenance Generator
Single step: Only overview screen is created i.e. the Table Maintenance Program will have only one screen where you can add, delete or edit records.
Two step: Two screens namely the overview screen and Single screen are created. The user can see the key fields in the first screen and can further go on to edit further details.
SM30 is used for table maintenance(addition or deletion of records),
For all the tables in SE11 for which Table maintenance is selected , they can be maintained in SM30
Sm30 is used to maintain the table ,i.e to delete ,insert or modify the field values and all..
It creates the maintenance screen for u for the aprticular table as the maintenance is not allowed for the table..
In the SE11 delivery and maintenance tab, keep the maintenance allowed..
Then come to the SM30 and then enter the table name and press maintain..,
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We use SM30 transaction for entering values into any DB table.
First we create a table in SE11 and create the table maintenance generator for that Table using (utilities-> table maintenance generator) and create it.
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Hope this resolves your query.
Reward all the helpful answers.
Rgds,
P.Naganjana Reddy

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Hi,
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Try this one, is used to find the duplicate value from table
Type: I
SELECT * FROM employees e1 WHERE rowid> (SELECT min(rowid)
FROM employees e2 WHERE e1.department_id=e2.department_id);
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this, read here
venki
http://venki-hb.blogspot.com/2008/02/basic-sql-query-tips.html

Issue with fetching a record from IHPA table with PARNR value as condition

Hi All,
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Hi Santosh,
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Shaw

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No, I am connected via ADO.NET. I don't think SQL CE can connect through ODBC (or if it can, I haven't been able to figure out how, yet). So this isn't a stored procedure.
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Which tables are they ? Refer to link below for more hints abt performance.
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Here are a couple of other examples:
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=========
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=========
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order by deptno;
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order by deptno;
null

QUERY - No Duplicate records from 2nd table ???

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