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Finding record of Nth highest salaried employee (where N, should equal to records or less then of the records), Here we are finding 1st , 2nd, 3rd and so on highest salaried employee’s name one by one using SQL Query.
I know hive is Data Warehousing tool which is not suited as OLTP. In regular RDBMS Structure i have way like "Correlated queries" helps to find nth highest salary from a table as following. Is there any way in hive also.The query is related to true/false conditions. ...
Each blog has described this for employees who have unique salaries, but what if a few employees have the same salary? I am saying this because in an organization, sometimes a number of people have the same salary structure. Let's understand this with an example. --Create a table and ...
If you want to test in your local database then you can use the following SQL query to create an Employee table and populate with some sample data. After that, you can run the SQL query to find the Nth highest salary for testing. CREATE TABLE Employee ( Id INT NOT NULL, Salary INT ...
2.是工资的第N位,所以需要在select了工资列之后用group by 3.行号从0起,因而我们需要选择的行号为N-1 CREATEFUNCTIONgetNthHighestSalary(NINT)RETURNSintBEGINSETN=N-1;RETURN(SELECTSalaryFROMEmployeeGROUPBYSalaryORDERBYSalaryDESClimit1offsetN);END