Interested to Buy Any Domain ? << Click Here >> for more details...
Query to get max and second max in oracle in one query ?
- 34 Answers
- 66466 Views
- CTS, Keane India Ltd, TCS, Wipro, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / sumit wadhwa
select distinct(a.colname) from table a where &n=(select
count(distinct(b.colname)) from table b where
a.colname<=b.colname);
from this query u can find out Nth MAX in a one query
eg
select distinct(a.sal) from emp a where &n=(select count
(distinct(b.sal)) from emp b where a.sal<=b.sal);
| Is This Answer Correct ? | 55 Yes | 16 No |
Answer / sumit wadhwa
for max
select a.sal
from emp a
where 1=(select distinct(count(b.sal))
from emp b
where a.sal<=b.sal);
for second max
select a.sal
from emp a
where 2=(select distinct(count(b.sal))
from emp b
where a.sal<=b.sal)
| Is This Answer Correct ? | 33 Yes | 11 No |
SELECT sal FROM(SELECT DISTINCT(sal) FROM employees ORDER
BY sal DESC) WHERE ROWNUM<=2;
| Is This Answer Correct ? | 23 Yes | 2 No |
Answer / mehul
select max(sal) from emp where sal not in ( select max(sal)
from emp)
| Is This Answer Correct ? | 29 Yes | 12 No |
Answer / rohit
The below query will provide the max and second max in
oracle in one query
select * from emp e
where 0 = (select count(sal) from emp
where e.sal < sal)
or 1 = (select count(sal) from emp
where e.sal < sal);
| Is This Answer Correct ? | 17 Yes | 8 No |
Answer / mats önnerby
--- Three level query
--- 1. Find and order all distinct salaries
--- 2. Pick the two top salaries
--- 3. Get all information about employees with that salary
select *
from emp
where sal in (
select sal from (
select distinct sal
from emp
order by sal desc)
where rownum <= 2);
---
--- Simple and straight forward but will return
--- several employees in case they have the same salary
---
| Is This Answer Correct ? | 12 Yes | 3 No |
Answer / lokanath
select * from emp a where 2 > (select count(distinct sal)
from emp b where b.sal > a.sal)
or else use Top Window functions (or) Analatical functions
select * from
(
select empno,ename,sal,rank() over (order by sal desc)
test from emp
)
where test <= 2
| Is This Answer Correct ? | 12 Yes | 4 No |
Answer / subodh tiwari
SELECT ENAME,SAL FROM (SELECT ENAME,SAL FROM EMP ORDER BY
SAL DESC) WHERE ROWNUM<=2
| Is This Answer Correct ? | 15 Yes | 9 No |
Answer / answer
NO NEED TO WATCH ANY OTHER ANSWER .ANSWER 11 IS GOOD.JUST
GO WITH IT
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / bhanu yadav
For Nth Max.
select distinct a.sal from emp a where &N= (select count
(distinct b.sal) from emp b where b.sal>=a.sal)
For Nth Min.
select distinct a.sal from emp a where &N= (select count
(distinct b.sal) from emp b where b.sal<=a.sal)
| Is This Answer Correct ? | 9 Yes | 6 No |
Explain what are the advantages of views?
What is an Oracle sequence?
Explain an integrity constrains?
query to find the maximum no persons with same age(age colomn) from emp table
What are the major difference between truncate and delete?
How to define a variable of a specific record type?
what is the syntax of DELETE command?
T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"
How to convert characters to times in oracle?
after installatio of ORACLE 8i, work properly, but after restarting the system, it throw an error ORA 01034: ORACLE not availble
What are the Referential actions supported by FOREIGN KEY integrity constraint ?
What is Normalization ?
55 Answers ACS, Genpact, Graphix Solution, IBM, Keane India Ltd, TCS, Vault,
Oracle General 
