Join returns duplicate rows
Hi All,
I am joining 3 tables:OWOR, WOR1 and IBT1. Following is the query:
SELECT OWOR.DOCNUM, OWOR.ITEMCODE, OWOR.CLOSEDATE, OWOR.DOCENTRY,
WOR1.ISSUEDQTY, WOR1.DOCENTRY,
IBT1.QUANTITY, IBT1.BATCHNUM
FROM OWOR INNER JOIN WOR1 ON OWOR.DOCENTRY = WOR1.DOCENTRY
IBT1 INNER JOIN ON OWOR.ITEMCODE = IBT1.ITEMCODE
WHERE OWOR.CLOSEDATE ='[%0]' AND OWOR.DOCNUM = CONVERT(INT,IBT1.BATCNUM)
O/P:
10 100 19.03.11 20 15 30 10
10 100 19.03.11 20 15 14 10
20 121 19.03.11 25 31 5 25
20 121 19.03.11 25 31 10 25
20 121 19.03.11 25 28 5 25
20 121 19.03.11 25 28 10 25
Note: I have tried Grouping on OWOR.DOCNUM, WOR1.DOCENTRY, also tried
Suppress with the combination of Prevoius
and Next. But could not succeed always the running totals of WOR1.ISSUEDQTY
and IBT1.QUANTITY are getting messed
up.
Please let me know if you have any suggestions.
Thanks,
Vineela.
Hi Ian,
Sorry for the delay in replying, was stuck due to some Internet connectivity issues. Coming to the problem, I solved it myself, by changing the Running Total conditions when to evaluate and and when to reset. And my required O/P was:
Required O/P:
10 100 19.03.11 20 15 44 10
20 121 19.03.11 25 59 15 25
Thanx for your reply,
Vineela.
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Hi. I'm working on this query, and I'm having problems. When I add an inner join, I start getting multiple rows returned.
What I want returned is ONLY the first row below, but I'm instead getting both rows (which are identical).
SALESMAN_NO | CUSTOMER_NO | ORDER | SALES | COGS | MARGIN
97 | 1306969000 | 00477023 | 517.40 | 298.20 | 219.18
97 | 1306969000 | 00477023 | 517.40 | 298.20 | 219.18
Here's my query. And when I add the inner joins, I get the 2nd row above. If I run the SAME query without the inner joins, I get the 1 and only 1 row - which is what I'm trying to get to. Getting this 2nd row is screwing up the SUM functions I'm ultimately trying to use.
SELECT
SOE.SALESMAN_NO AS [SALESMAN],
SOE.CUSTOMER_NO AS [CUSTOMER #],
(SOE.SALE_ORDER_NO) AS [ORDERS],
(SOE.SALES_AMT/100) AS [SALES],
(SOE.COST_GOODS_SOLD/100) AS [COGS],
((SOE.SALES_AMT/100) - (SOE.COST_GOODS_SOLD/100)) AS [MARGIN]
FROM
SOE_HEADER SOE
INNER JOIN CUST_NAME CUST
ON SOE.CUSTOMER_NO = CUST.CUSTOMER_NO
INNER JOIN OUTSIDE_SALES OUTSIDE
ON CUST.SALESMAN_NO = OUTSIDE.SALESMAN_NO
WHERE
SOE.SALESMAN_NO <> '83'
AND SOE.TYPE_OF_ORDER = '00'
AND SOE.ORDERS_STATUS = '06'
AND SOE.DATE_OF_ORDER > 20080101
AND SOE.TYPE_OF_FRGHT IN ('13','14')
AND SOE.CUSTOMER_NO = '1306969000'
I've looked at the data and at this query for about an hour now, and need some help. Thanks.If you want to get the distinct rows only in this SELECT then you may use DISTINCT. ie replace the table with a query
,(Select Distinct SALESMAN_NO,CUSTOMER_NO, ORDER SALES ,COGS , MARGIN From YourTableName) AS AliasName
Check this too
Find and/or Delete Duplicate Rows
http://code.msdn.microsoft.com/SQLExamples/Wiki/View.aspx?title=DuplicateRows&referringTitle=Home
Madhu
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Crystal report returning duplicate rows - Linking issue?
Hello,
I know this is a commonly brought up issue - that duplicate rows are returned in Crystal reports for various reasons. In a lot of instances, where it's only a single row of data per case that I'm looking for, I'll move them to their own group. But that solution doesn't work here.
The tables and links used in the simple report I have are illustrated in the attached "Report Database Expert Links.jpg" file, and the conditions and report fields required as as follows:
Select Expert conditions:
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This works fine otherwise, but the issue is that each live claim can have either one or two rows present in CLAIM_PARTS and CLAIM_PERIODS (so could satisfy my first two conditions twice). For claims with only a single claim part active, I get each household member listed once. But when they have two claim parts active, I get eveyone listed twice.
Is there a way - either in how I'm linking the tables up, or how I'm arranging the report design, that I can have every household member only appear once no matter how many related rows there are in CLAIM_PARTS and CLAIM_PERIODS?
Many thanks in advance,
Sami
P.S. I don't seem to be allowed to attache image files to my post, but have embedded the content instead:Thank you very much Don - this is a feature I wasn't aware of previously, and is a big step in the right direction for me. Really useful.
In the report mentioned, this sort of works. It works very well on individual fields - so I could just "Suppress If Duplicated" on the forename and then remove duplicates on that column when exported to Excel (or simply bring in a unique field such as the party reference number and do likewise).
However, is there a way to get Crystal to do this for me? So to suppress the whole line based on whether or not I'm suppressing this one field?
Just applying "Suppress If Duplicated" to all fields at once seems to have slightly unpredictable behaviour - not suppressing every field in the row. So I experimented a bit with using the "Suppress" tick to do this, then applying a formula to it. But the closest I can get for the formula is something like:
- {PARTIES.PAR_PER_FORENAME} = previous({PARTIES.PAR_PER_FORENAME}) and
{PARTIES.PAR_PER_SURNAME} = previous({PARTIES.PAR_PER_SURNAME}) and
Which will only compare the current row with previous. Is there a way to do the same comparison but with all previous rows? -
Report Builder 2.0 returning duplicate rows in query designer
Hi,
I have a query running off a model, when I explore the data in the model and in a standard sql table it returns one row for each record, which include a unique id for each which is correct.
When I go into report builder query designer, it shows duplicate rows for each record. I have removed and added fields to try and pin point why and the only reason i can come up with is that it runs fine until I add in a field thats varchar(255) or
varchar(max). This is when it starts to duplicate the records.
Can anyone tell me why it does this or point me in the direction of how to stop this. I can't edit the query in text to add DISTINCT so thats not an option.
Many thanks,
JJSJOK - I have found a partial answer. By Googling Report Builder and VARCHAR, I found another post which reported problems with the semantic query builder when the underlying table/view was returning columns of type VARCHAR(MAX).
On looking at the length setting for the data column in the DSV, this reported a length of 2,147,483,647 for this field. This is very odd because on querying the underlying table the largest length that I can find for this column is 191,086
(which is far larger than I would have expected - I am investigating this separately).
However, why should the Report Model think that this field contains such a large value?
Anyway, the other post that I found reported that they had solved their problem by converting the field to a VARCHAR (255). I tried this (by casting the column in my View to VARCHAR(255)) and this resolved the problem
- no more duplicate rows when adding this field to the query!!!
I also tried CASTING to TEXT and to VARCHAR(8000). The former did not resolve the problem; the latter did.
So I have a workaround but I don't understand why.
Can anybody explain why having a VARCHAR(max) column in my entity causes duplicate rows.
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Thanks
Richard -
Hi All,
I need a Query to get only duplicate rows from a table. It should print the duplicate rows the number of times .
it exists in the table.Added some duplicate records in emp table
select count(*),empno,ename,job,mgr,hiredate,deptno from emp group by empno,ename,job,mgr,hiredate,deptno
COUNT(*) EMPNO ENAME JOB MGR HIREDATE DEPTNO
2 7782 CLARK MANAGER 7839 09-JUN-81 10
5 7844 TURNER SALESMAN 7698 08-SEP-81 30
3 7698 BLAKE MANAGER 7839 01-MAY-81 30
1 7900 JAMES CLERK 7698 03-DEC-81 30
1 7654 MARTIN SALESMAN 7698 28-SEP-81 30
1 7788 SCOTT ANALYST 7566 19-APR-87 20
1 7566 JONES MANAGER 7839 02-APR-81 20
6 7521 WARD SALESMAN 7698 22-FEB-81 30
5 7369 SMITH CLERK 7902 17-DEC-80 20
4 7934 MILLER CLERK 7782 23-JAN-82 10
1 7499 ALLEN SALESMAN 7698 20-FEB-81 30Count(*)>1 are having duplicates
Filter this with condition Count(*)>1
select count(*),empno,ename,job,mgr,hiredate,deptno from emp group by empno,ename,job,mgr,hiredate,deptno having count(*)>1
COUNT(*) EMPNO ENAME JOB MGR HIREDATE DEPTNO
2 7782 CLARK MANAGER 7839 09-JUN-81 10
5 7844 TURNER SALESMAN 7698 08-SEP-81 30
3 7698 BLAKE MANAGER 7839 01-MAY-81 30
6 7521 WARD SALESMAN 7698 22-FEB-81 30
5 7369 SMITH CLERK 7902 17-DEC-80 20
4 7934 MILLER CLERK 7782 23-JAN-82 10Edited by: Lokanath Giri on २४ जनवरी, २०१२ १०:४६ पूर्वाह्न -
DB / Integation adapter returning duplicate rows on select [not all rows]
I am seeing some unusal behavior, we have Application adapter invoking BEPL and which invokes DB adapter to make a select call to ERP database. Select should return 2 different records, where as in the response xml it has same record [only first record] listed twice. On DB adapter wsdl, -"Return Single Resultset " is unchecked. Should this be checked? or is there any other reason why the first record may be cached. I have not seen this in other connectors, restarted server but still same issue. connector is in prod environment. Any help/ideas are welcome.
Edited by: user3622460 on Aug 5, 2009 10:23 PMCan you tell us more about the options you have selected in the Adapter to select the records ?
-
I have an advancedTable (master-detail). In one instance the "advancedTable" object suppresses duplicate master records, but in another instance, duplicate rows are not suppressed. If I run the VO query associated with the advancedTable object, the query returns duplicate rows in both instances. Has anyone seen this before? I have also run the pages from JDev connecting to each instance and the same result is exhibited.
Thanks,
LC-- application release 11.5.10.2 (both environments)
-- database version 10.2.0.3 (stage) and 11.1.0.7 (dev)
-- OS - RHEL 5 (both evironments)
Both instances are not identical. The stage environment is RAC vs. dev which is not RAC.
Steps to reproduce:
Create an advancedTable in an advancedTable in JDev using a viewLink to establish the master-detail relationship. Run the page either from JDev connecting to each dev and stage environment directly. In addition to running local, I have also migrated all source to both the dev and stage instance. Run the page - in the dev instance, the results table displays only a subset of the rows (duplicate rows are removed - ie instead of 12 rows which is what the query returns both from executing the select statement in SQLPlus and by SOP vo.getRowCount() only 6 rows are displayed in the master table). However, when the same page is executed using the stage environment, all applicable rows are displayed - duplicates are not removed. This happens both from running the page locally and from logging into each respective application server.
Thanks,
LC -
How just return one row of a one to many join..
So I have a one to many join where the SMOPERATOR table has data I need however it has a couple of rows that match the JOIN condition in there. I just need to return one row. I think this can be accomplished with a subquery in the join however have not been able to come up with the right syntax to do so.
So:
SELECT "NUMBER" as danumber,
NAME,
SMINCREQ.ASSIGNMENT,
SMOPERATOR.PRIMARY_ASSIGNMENT_GROUP,
SMOPERATOR.WDMANAGERNAME,
SMINCREQ.owner_manager_name,
SMINCREQ.subcategory, TO_DATE('01-'||TO_CHAR(open_time,'MM-YYYY'),'DD-MM-YYYY')MONTHSORT,
(CASE WHEN bc_request='f' THEN 'IAIO'
WHEN (bc_request='t' and substr(assignment,1,3)<>'MTS') THEN 'RARO'
WHEN (bc_request='t' and substr(assignment,1,3)='MTS') THEN 'M'
ELSE 'U' end) as type
from SMINCREQ
left outer join SMOPERATOR on SMINCREQ.assignment=SMOPERATOR.primary_assignment_group
WHERE SMINCREQ.owner_manager_name=:P170_SELECTION and SMOPERATOR.wdmanagername=:P170_SELECTION
AND open_time BETWEEN to_date(:P170_SDATEB,'DD-MON-YYYY') AND to_date(:P170_EDATEB,'DD-MON-YYYY')
AND
(bc_request='f' and subcategory='ACTIVATION' and related_record<>'t')
OR
(bc_request='f' and subcategory<>'ACTIVATION')
OR
(bc_request='t' and substr(assignment,1,3)<>'MTS')
order by OPEN_TIMeHi,
This sounds like a Top-N Query , where you pick N items (N=1 in this case) off the top of an orderded list. I think you want a separate ordered list for each assignment; the analytic ROW_NUMBER function does that easily.
Since you didn't post CREATE TABLE and INSERT statements for your sample data, I'll use tables from the scott schema to show how this is done.
Say you have a query like this:
SELECT d.dname
, e.empno, e.ename, e.job, e.sal
FROM scott.dept d
JOIN scott.emp e ON d.deptno = e.deptno
ORDER BY dname
;which produces this output:
DNAME EMPNO ENAME JOB SAL
ACCOUNTING 7934 MILLER CLERK 1300
ACCOUNTING 7839 KING PRESIDENT 5000
ACCOUNTING 7782 CLARK MANAGER 2450
RESEARCH 7876 ADAMS CLERK 1100
RESEARCH 7902 FORD ANALYST 3000
RESEARCH 7566 JONES MANAGER 2975
RESEARCH 7369 SMITH CLERK 800
RESEARCH 7788 SCOTT ANALYST 3000
SALES 7521 WARD SALESMAN 1250
SALES 7844 TURNER SALESMAN 1500
SALES 7499 ALLEN SALESMAN 1600
SALES 7900 JAMES CLERK 950
SALES 7698 BLAKE MANAGER 2850
SALES 7654 MARTIN SALESMAN 1250Now say you want to change the query so that it only returns one row per department, like this:
DNAME EMPNO ENAME JOB SAL
ACCOUNTING 7782 CLARK MANAGER 2450
RESEARCH 7876 ADAMS CLERK 1100
SALES 7499 ALLEN SALESMAN 1600where the empno, ename, job and sal columns on each row of output are all taken from the same row of scott.emp, though it doesn't really matter which row that is.
One way to do it is to use the analytic ROW_NUMBER function to assign a sequence of unique numbers (1, 2, 3, ...) to all the rows in each department. Since each sequence startw with 1, and the numbers are unique within a department, there will be exactly one row per departement that was assigned the numebr 1, and we''ll display that row.
Here's how to code that:
WITH got_r_num AS
SELECT d.dname
, e.empno, e.ename, e.job, e.sal
, ROW_NUMBER () OVER ( PARTITION BY d.dname
ORDER BY e.ename
) AS r_num
FROM scott.dept d
JOIN scott.emp e ON d.deptno = e.deptno
SELECT dname
, empno, ename, job, sal
FROM got_r_num
WHERE r_num = 1
ORDER BY dname
;Notice that he sub-query got_r_num is almost the same as the original query; only it has one additional column, r_num, in the SELECT clause, and the sub-qeury does not have an ORDER BY clause. (Sub-queries almost never have an ORDER BY clause.)
The ROW_NUMBER function must have an ORDER BY clause. In this example, I used "ORDER BY ename", meaning that, within each department, the row with the first ename (in sort order) will get r_num=1. You can use any column, or expression, or expressions in the ORDER BY clause. You muight as well use something consistent and predictable, like ename, but if you really wanted arbitrary numbering you could use a constant in the analytic ORDER BY clause, e.g. "ORDER BY NULL". -
Simple join question - my query is returning unwanted rows ...
My SQL select is returning more rows that I want it to return. The table that I'm joining on has multiple rows per CaseId, and I'm only interested in getting one...
table1
CaseId column1 column2
8 elmo foz
9 foo bar
10 fuz baz
11 fuy bay
table2
CaseId Seq column8 column9
8 1 choc strawberry
9 1 banana orange
9 2 do re
10 1 me fa
So a SQL select like:
select t1.CaseId, t1.column1, t1.column2, t2.column8
FROM table1 t1 LEFT OUTER JOIN table2 t2
ON t1.CaseId = t2.CaseId
returns data like:
t1.CaseId t1.column1 t1.column2 t2.column8
8 elmo foz choc
9 foo bar banana
9 fuz baz do
I want the SQL select to return only one row for each row that’s in table1; CaseId of 9 should have only one row in the SQL select results.
The table2 has multiple rows, because of the Seq column. How can I formulate the SQL select to join on table2 using CaseId and the max Seq value?
Thank you!Untested..
with t1 AS
(SELECT *
FROM (SELECT table2.*,
ROW_NUMBER ()
OVER (PARTITION BY caseid ORDER BY seq DESC)
r
FROM table2)
WHERE r = 1)
SELECT t1.CaseId,
t1.column1,
t1.column2,
t2.column8
FROM table1 t1 LEFT OUTER JOIN t1 t2 ON t1.CaseId = t2.CaseId;OUTPUT:
CASEID COLUMN1 COLUMN2 COLUMN8
8 elmo foz choc
9 foo bar do
10 fuz baz me
11 fuy bay Cheers,
Manik. -
Remove Duplicate Rows from Left Outer Join
Hi All,
I am new to Oracle..I have two tables as follow:
TableA(EmpID, Empname)
TableB(EmpID, DeptID, DeptName). A employee can work in multiple dept.
table A has 1 row as EmpID 1 and TableB has two rows for EmpID 1.
I have a search page which takes dept ID as parameter and return employee name...Dept ID is not mandatory feld for Search. If DeptID is passed it should return the employee who belongs to that Dept otherwise it should return 1 employee..
Now I have used as follow:
:IN_DEPTID is passed as parameter
Select EmpName from TableA Left Join tableB on a.EmpID = B.EmpID
WHERE
CASE WHEN :IN_DEPTID IS NULL
IN_DEPTID IS NULL
ELSE|
DEPTID = :IN_DEPTID
Now problem is when Dept ID is passed it correctly returns a row but if no deptid is passed it returns 2 rows but i want ony one row as there is only one employee.
Please help;
Edited by: user10239708 on 10 Sep, 2008 12:24 AM
Edited by: user10239708 on 10 Sep, 2008 12:28 AMTry this
Select
from
tableA a
where
(exists (select 1 from tableB b where a.empid = b.empid and deptid = :IN_DEPTID )
or
:IN_DEPTID is null) you database design is not good you should keep the emp, department mapping in different table.
Regards
Singh -
Duplicate rows returned by contex index
Hi
I have a context index - locally partitioned with concatenated datastore.
When I run a query on this it gives me duplicate rows (But for some rare cases only).
Is this a bug in Oracle text?
The table is partitioned on column norm_state_query - This query gives a duplicate -
select rowid
from mv_borrower_branch_details
where contains ( norm_state_query, '( ( (fuzzy(${TATA},60,20,n) OR fuzzy(${PGIMENTS},60,20,n) OR fuzzy(${TATAPGIMENTS},60,20,n)) within norm_concat_name ) ) and ( ( ({43} OR fuzzy(${CHOWRINGHEE},60,20,n) ) within norm_concat_address ) )', 1 ) > 0
and norm_state_query = 'WEST BENGAL'
AAAKOGAAPAAAETMAAQ
AAAKOGAAPAAAETMAAQ
Thanks and regards
PratapHave you changed the partition definitions since you first created the index?
Maybe that could cause the problem.
Otherwise, it does sound like a bug. Please contact support so they can work
through it with you. -
Order by results in duplicates rows returned
Hi All,
Just got the following question that I could not understand at all. Let's assume we have a query like this:
select d.d_name, e.e_name
from dept d, emp e
where d.d_id = e.d_id
And this query returns 3 rows only:
IT JOHN
IT JAMES
ADMIN BILL
It was found that if the query was changed as:
select d.d_name, e.e_name
from dept d, emp e
where d.d_id = e.d_id
ORDER BY d.d_name, d.e_name
sometimes it returns as 4 rows instead of 3:
ADMIN BILL
IT JAMES
IT JAMES
IT JOHN
How this be possible?
This happened sometimes on windows platform.Hi All,
Just got the following question that I could not understand at all. Let's assume we have a query like this:
select d.d_name, e.e_name
from dept d, emp e
where d.d_id = e.d_id
And this query returns 3 rows only:
IT JOHN
IT JAMES
ADMIN BILL
It was found that if the query was changed as:
select d.d_name, e.e_name
from dept d, emp e
where d.d_id = e.d_id
ORDER BY d.d_name, d.e_name
sometimes it returns as 4 rows instead of 3:
ADMIN BILL
IT JAMES
IT JAMES
IT JOHN
How this be possible?
This happened sometimes on windows platform. -
DBA_CONSTRAINTS - self join - duplicate rows?
Hi,
I have two tables in 'I' schema.
===========
SQL> desc dept;
Name Null? Type
DEPTNO NOT NULL NUMBER(2) DNAME VARCHAR2(14)
LOC VARCHAR2(13)
DEPT.DEPTNO - pk_dept_deptno - PRIMARY KEY
SQL> desc emp;
Name Null? Type
EMPNO NOT NULL NUMBER(4)
ENAME VARCHAR2(10)
JOB VARCHAR2(9)
MGR NUMBER(4)
HIREDATE DATE
SAL NUMBER(7,2)
COMM NUMBER(7,2)
DEPTNO NUMBER(2)
EMP.DEPTNO - fk_emp_deptno - FORIGN KEY (DEPT. DEPTNO)
SQL> desc emp2
Name Null? Type
DEPTNO NUMBER
FUNCTION VARCHAR2(10)
EMP2 . DEPTNO - fk_emp2_deptno - FORIGN KEY (DEPT. DEPTNO)
I executed the query as DBA,
SQL>
select p.constraint_name,p.table_name,p.r_constraint_name,r.constraint_name,r.table_name
from dba_constraints p, dba_constraints r
where p.r_constraint_name=r.constraint_name and p.owner='I'
order by p.constraint_name;
CONSTRAINT_NAME | TABLE_NAME | R_CONSTRAINT_NAME | CONSTRAINT_NAME | TABLE_NAME
FK_EMP2_DEPTNO | EMP2 | PK_DEPT_DEPTNO | PK_DEPT_DEPTNO | DEPT
FK_EMP2_DEPTNO | EMP2 | PK_DEPT_DEPTNO | PK_DEPT_DEPTNO | DEPT
FK_EMP_DEPTNO | EMP | PK_DEPT_DEPTNO | PK_DEPT_DEPTNO | DEPT
FK_EMP_DEPTNO | EMP | PK_DEPT_DEPTNO | PK_DEPT_DEPTNO|
DEPT
Why I am getting duplicate rows? Any think wrong in my query?
regards
MathewHi,
You can query on USER_CONSTRAINTS instead of DBA_CONSTRAINTS.
SQL> ed
Wrote file afiedt.buf
1 select p.constraint_name, p.table_name, p.r_constraint_name, r.constraint_n
ame, r.table_name
2 from user_constraints p , user_constraints r
3* where p.r_constraint_name = r.constraint_name
4 /
SQL> /
CONSTRAINT_NAME TABLE_NAME R_CONSTRAINT_NA CONSTRAINT_NAME TABLE_NAME
SYS_C005292 B PK_NO PK_NO A
FK_DEPTNO EMP PK_DEPT PK_DEPT DEPT
SQL> ed
Wrote file afiedt.buf
1 select p.constraint_name, p.table_name, p.r_constraint_name, r.constraint_n
ame, r.table_name
2 from dba_constraints p , dba_constraints r
3 where p.r_constraint_name = r.constraint_name
4 and p.owner = 'SCOTT'
5* order by p.constraint_name
SQL> conn sys as sysdba
Enter password:
Connected.
SQL> /
CONSTRAINT_NAME TABLE_NAME R_CONSTRAINT_NA CONSTRAINT_NAME TABLE_NAME
FK_DEPTNO EMP PK_DEPT PK_DEPT DEPT
SYS_C005292 B PK_NO PK_NO A
SYS_C005292 B PK_NO PK_NO A
SQL>Message was edited by:
Mohammad Taj -
I have five tables(A,B,C,D,E), and I am trying to check for duplicate rows in all the tables, I tried using inner join, but the first three join did not return any table. is there another way.the tables only have two columns , the email(different values)
and authour (which is the same person in the table)
when i tried
select * from TABLE A
INNER JOIN TABLE B
ON TABLEA. EMAIL = TABLEB.EMAIL
INNER JOIN TABLEC
ON TABLEA.EMAIL=TABLEC.EMAIL
it came back with no result, the other way I am thinking is to unioun all all the tables and try to use count and group by ,but this will only show me the duplicates and not the authours
please any other wayit came back with no result, the other way I am thinking is to unioun all all the tables and try to use count and group by (but I could not insert my result in a new table)
please any other way
I dont understand your point here...Are you trying the below?
Create Table T1(name varchar(50),Email Varchar(50))
Insert into T1 Values('SQL','[email protected]'),('.NET','[email protected]')
Create Table T2(name varchar(50),Email Varchar(50))
Insert into T2 Values('Server','[email protected]'),('BizTalk','[email protected]')
Create Table T3(name varchar(50),Email Varchar(50))
Insert into T2 Values('Sql','[email protected]'),('server','[email protected]')
;With cte as
(Select * From T1
Union All
Select * From T2
Union All
Select * From T3)
Select name,email, count(1) From cte Group by name , email having count(1)>1
Drop table T1,T2,T3
I was able to insert the union product in a table, and i used this
SELECT EMAIL,AUTHOR,COUNT(EMAIL) AS AMOUNT FROM ALLEMAIL
GROUP BY AUTHOR,EMAIL
ORDER BY AMOUNT DESC, email desc
but its showing the email and the count but its appearing like the duplicate is only associated with one authour -
Query to return ALL rows even those with zero counts
Hi,
The following query will return only those rows that have a non zero count value:
select c.id, a.name, count(*) as XYZ from CON c, CUST a
where c.help !='1' and (c.id = a.id) group by c.id, a.name order by c.id;
The results are:
1 ME 3
3 YOU 4
What i want is to return all rows in CUST and the count, XYZ, that correspond to each row in CUST that matches the whare condition above, even if the count is zero.
ie
1 ME 3
2 WE 0
3 YOU 4
Can this be done?You may want to get the counts then do the outer join. If you simply count with an outer join you will get 1 for 'WE' because there is a row in the cust table with 'WE'. This may work for you;
with
cust as (
select 1 id, 'ME' name from dual union all
select 2 id, 'YOU' name from dual union all
select 3 id, 'WE' name from dual),
con as (
select 1 id, '2' help from dual union all
select 1 id, '2' help from dual union all
select 1 id, '2' help from dual union all
select 2 id, '2' help from dual union all
select 2 id, '2' help from dual union all
select 2 id, '2' help from dual union all
select 2 id, '2' help from dual)
-- end of test data
select a.id, a.name, nvl(c.cnt,0) xyz
from cust a,
(select id, help, count(*) cnt
from con
where help !='1'
group by id, help) c
where a.id = c.id(+)
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