I have table-A(1,2,3,4,4,5,6,6,6,7).
how to get all duplicate values?what is sql query?
Answers were Sorted based on User's Feedback
Answer / vikas
select *
from a
where rowid not in (select min(rowid) from a group by no)
no is column in table a;
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / sudipta santra
select * from A group by no having count(*)>1 ;
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / sam
SELECT num,
COUNT(num) AS NumOccurrences
FROM A
GROUP BY num
HAVING ( COUNT(num) > 1 )
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / nathan
SELECT sal,rn
FROM (SELECT ROW_NUMBER () OVER (PARTITION BY sal ORDER BY
empno DESC) rn,
sal
FROM emp)
WHERE rn > 1;
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / a.brahmam
delete from table name
where rowid not in(select max(rowid) from table name group by column name)
| Is This Answer Correct ? | 0 Yes | 0 No |
What is the difference between formal parameters and actual parameters?
How will you identify oracle database software release?
how to select alphabets in a one column , for this the table name is PA_TASKS and column name is TASK_NUMBER, In TASK_NUMBER the data like this 1.1.3NN,1.1.4NN,1.5.1NN,1.3.2NE,1.5NN,1NN,1.2NE,1CE , For this i need to disply output as only NN,but not other alphabets, if NN is thre means i should display , otherwise leave that blank or empty Its some urgent requirement ,thanks in advance
How to delete multiple rows from a table in oracle?
In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.
When system tablespace is created?
Is it possible to join two tables, that are in two different users (e.g. SCOTT and HR etc.),but im same database (e.g. ORCL)? If yes, then how it is possible? Explain with step by step procedure.
How to delete all rows a table in oracle?
How to create a table in a specific tablespace?
How index is implemented in oracle database?
How do I connect to oracle?
How to divide query output into groups in oracle?