Interested to Buy Any Domain ? << Click Here >> for more details...
i have a table
col1
10
20
30
40
10
20
50
my requirement is how to retrive only duplicates like
10
10
20
20
like this how it's possible in SQL?
- 11 Answers
- 20932 Views
- Cap Gemini, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / sivaprakasam
select * from table1 where id in (select id from table1
group by id having COUNT(id) > 1)
| Is This Answer Correct ? | 29 Yes | 3 No |
Answer / prathapreddy
select col1,count(*) from <table name> group by col1 having
count(*)>1;
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / sudheer
the below query is to get only duplicate records
i.e..,
10
10
20
20
select * from sno
where sno in (select sno from ex
group by sno
having count(sno)>1
)
and the above query is to get only
10
20
| Is This Answer Correct ? | 4 Yes | 0 No |
From above all, these 3 are the correct ways using SQL:
A.
select * from emp as p where rowid<(select max(rowid) from
emp s where p.deptno=s.deptno);
B.
select * from sno
where sno in (select sno from emp
group by sno
having count(sno)>1
)
C.
1. SELECT A.COL1 FROM TABLE1 A
2. ( SELECT COL1, COUNT(COL1)FROM TABLE1
GROUP BY (COL1)
HAVING COUNT(COL1)=1)B
WHERE
3. A.COL1<>B.COL1
RESULT : 1. 10 20 30 40 10 20 50
2. 30 40 50
3. 10 10 20 20
And Using DataStage:
A.
Take source and copy,aggregate,JOIN,FILTER
1) give one copy output link to aggr, other to JOIN
2)In arggr perform count rows,
col1 COUNT
10 2
20 2
30 1
40 1
50 1
3) JOIN the two links(link1 from copy, link2 from AGG) and
use LEFT OUTER JOIN
col1 COUNT
10 2
20 2
30 1
40 1
10 2
20 2
50 1
4)And in FILTER, give constrains as count=1 to TARGET1 and
count>1 to TARGET2. in the TARGET2, u will get the desired
output.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / d.bharath
Take source and copy,aggregate,transformer and lookup,
1) give one copy output link to aggr,
2)In arggr perform count rows,
3)And in transformer check constrains count>1,count>2
4)And lookup the result of count>2 with the second output
link of copy stage.the you will get the all repeated rows
into on one output dataset.
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / ramesh
SQL:
1. SELECT A.COL1 FROM TABLE1 A
2. ( SELECT COL1, COUNT(COL1)FROM TABLE1
GROUP BY (COL1)
HAVING COUNT(COL1)=1)B
WHERE
3. A.COL1<>B.COL1
RESULT : 1. 10 20 30 40 10 20 50
2. 30 40 50
3. 10 10 20 20
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / mcssrinivas009
select RANK , D *from(select roumun RANK,E. *from E) D where
RANKIN 1,2,5,6;
using this query we getting from our requirement
| Is This Answer Correct ? | 0 Yes | 0 No |
select * from emp as p where rowid<(select max(rowid) from
emp s where p.deptno=s.deptno);
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / geetha
To achive the same in datastage we can use aggregator stage.
Check the below link
http://mydatastage-notes.blogspot.in/p/aggregatorstage.html
| Is This Answer Correct ? | 0 Yes | 0 No |
what is .dsx files
how do u capture duplicates through sort & transformer
How a source file is populated?
Differentiate between data file and descriptor file?
Where do the datastage jobs get stored?
I have a input as: Col 1 1 2 2 3 I want 3 output as: Output1: 1 1 Output2: 2 2 Output3: 3 i.e. same duplicates should be in one target, other duplicate values should be in another target and so on.. Pls help
What are the benefits of datastage?
If you want to use a same piece of code in different jobs, how will you achieve this?
A job is having only 2 stages I/p dataset and target table.Job is taking very long time to load 50 million records.How to improve performance of this job.
Hi am sundar, i have datas like 00023-1010 00086-1010 00184F2-1010 . . . . SCH-AS-1010 200-0196-039 . . . Now i want the result as values before the delimiter should come under the column ITEM_CODE and values after the delimiter should come under the column LOC_CODE.. But some datas like "SCH-AS-1010", for this, "SCHAS" should come under the column ITEM_CODE and 1010 should come under the column LOC_CODE.. Pls help me..
1)What is configuration your file structure 2)I have two databases both are Oracle while loading data from source to target the job takes 30 min but I want to load less time how?
i hav source like this . deptno,sal 1,2000 2,3000 3,4000 1,2300 4,5000 5,1100 i want target like this target1 1,2000 3,4000 4,5000 target2 2,3000 1,2300 5,1100 with out using transformer
Teradata 
