Software Applications Programming Errors and solutions.

Sql query to get second maximum salary of employee 1st Solution:- select min(sal) from emp e where 1 = (select count(*) from emp where e.sal<sal)  In this query duplicate values are not considered hence we may not get 3rd maximum salary because there are two employees with the same salary. to avoid the duplication strictly the query needs some changes 2nd  Solution  :- select min(sal) from emp e where 1 = (select count(distinct sal) from emp where e.sal<sal)  The following query displays the total repeating salaries . to get the complete details of the records just replace "sal" with "*" in the following query 3rd  Solution :- select sal from emp e where 1 = (select count(distinct sal) from emp where  e.sal<sal) This is example of select query to get top 3 maximum from table. select * from (select salaries from SalaryTrans order by salaries desc) where rownum <= 3; or select salary from (select distinct salary from SalaryTrans orde