How do I find the first 3 highest salary in SQL?
Here is a way to do this task using dense_rank() function. Query : select * from( select ename, sal, dense_rank() over(order by sal desc)r from Employee) where r=&n; To find to the 2nd highest sal set n = 2 To find 3rd highest sal set n = 3 and so on.
How do I find top 3 salaries in SQL?
To Find the Third Highest Salary Using a Sub-Query,
- SELECT TOP 1 SALARY.
- FROM (
- SELECT DISTINCT TOP 3 SALARY.
- FROM tbl_Employees.
- ORDER BY SALARY DESC.
- ) RESULT.
- ORDER BY SALARY.
How do you get top 3 salaries for each department from the employee table?
Salary AS Salary FROM Employee E INNER JOIN Department D ON E. DepartmentId = D.Id WHERE (SELECT COUNT(DISTINCT(Salary)) FROM Employee WHERE DepartmentId = E. DepartmentId AND Salary > E. Salary) < 3 ORDER by E.
How can I get top 5 salary in SQL?
- SELECT MAX(salary) FROM employee; …
- SELECT MAX(slary), dept_id from employee group by dept_id; …
- select distinct salary from employee order by salary desc limit 5; …
- select distinct salary, dept_id from employee order by salary desc limit 5;
How do I select duplicate rows in SQL?
How to Find Duplicate Values in SQL
- Using the GROUP BY clause to group all rows by the target column(s) – i.e. the column(s) you want to check for duplicate values on.
- Using the COUNT function in the HAVING clause to check if any of the groups have more than 1 entry; those would be the duplicate values.
Where can I find maximum salary in department wise?
SELECT * FROM department; Get the highest salary of each department on the table. Here our table contains a DEPT_ID and it has two different categories UI DEVELOPERS and BACKEND DEVELOPERS, and we will find out the highest salary of the column.
What is self join?
SELF JOIN: As the name signifies, in SELF JOIN a table is joined to itself. That is, each row of the table is joined with itself and all other rows depending on some conditions. In other words we can say that it is a join between two copies of the same table.
What is SQL limit?
The SQL LIMIT statement restricts how many rows a query returns. A LIMIT statement appears at the end of a query, after any ORDER BY statements. You can start a LIMIT statement at a particular row using the offset argument.
How do you find the minimum and maximum salary in SQL?
SELECT name,salary FROM employee where salary = (select max(salary) from employee); And to find out the minimum salary along with employee name I have written this query: SELECT name,salary FROM employee where salary = (select min(salary) from employee);
What is Rownum in SQL?
For each row returned by a query, the ROWNUM pseudocolumn returns a number indicating the order in which Oracle selects the row from a table or set of joined rows. … If an ORDER BY clause follows ROWNUM in the same query, then the rows will be reordered by the ORDER BY clause.