sql query to count number of employees in each department

SQL AVG with a subquery. Copy and paste your code into your assignment and include a screenshot of your result set in your … The AVG() function returns the average value of a numeric column. Employees Per Department. Display department number and its employee count if it has more than 4 employees: 2.6.7. Twitter Interview Online Test SQL A company uses 2 data tables, Employee and Department, to store data about its employees and departments. 1. Answer: SELECT DEPARTMENT_ID, COUNT (EMPLOYEE_ID) FROM EMPLOYEES GROUP BY DEPARTMENT_ID; Result: Posted by Prosen Ghosh at 08:51. If multiple employees having the highest salary in the same department then I need the get oldest employee details(who joined first in … List the employees whose salary is higher than the average salary with self join use Company; select Dname, COUNT (*) Number_Of_Employee: from DEPARTMENT, EMPLOYEE: where Dno = Dnumber: group by Dname: having AVG … COUNT() Syntax. In this example you will be grouping by deptno. ... --57. For each department whose average employee salasy is more than $30,000, retrive the department name and the number of employees working for that department. We can apply AVG function multiple times in a single SQL statement to calculate the average value of a set of average values. Write an SQL query to print the name of employees having the highest salary in each department. Apologies, I misread the question as "show all employees and show the highest salary per dept". Display depart numbers and total number of employees working in each department SQL Query Solution. Need to Pass employee Id and get total number of employees working under the manager whose employee id is passed in SQL. Write a SQL query that will return all the unique department numbers that are represented in the EMPLOYEE table, ordered by department number. Something like this should do SQL> select * 2 from scott.emp e 3 where not exists 4 ( select null 5 from scott.emp 6 where deptno = e.deptno 7 and sal > e.sal ); EMPNO ENAME JOB MGR HIREDATE SAL COMM … Display job ID, number of employees, sum of salary of each … The SQL COUNT(), AVG() and SUM() Functions. SQL> DESC employees Name Null? Create a SQL query that will use the count function to return the number of employees in each department in the emp table. The following Query count the total number of employees present in each department, their sales amount, and total annual salaries. The SUM() function returns the total sum of a numeric column. Display the employees who are working in “Oxford” (should use sub query) SELECT EMPLOYEES.EMPLOYEE_ID,EMPLOYEES.FIRST_NAME,EMPLOYEES.LAST_N AME,LOCATIONS.CITY FROM EMPLOYEES . Could you please help me to get the highest salary for each department. For example, we can use the AVG function to calculate the average salary of employees in each department, and apply the AVG function one more time to calculate the average … List department who has more than 4 employee born after 1960: 2.6.8. Out should be like this : - EmplD NoofEmployees 1234 10 2562 25 Where 10 & 25 is actually the total number of employees working under the manager of EmplD 1234 and 2562 … 25. Include the deptno column in your SQL query. Which query will return the minimum salary in each department? For this SQL server Derived Table example, we are using Inner Join to get a column from both Employees and Department tables. In what city do we have the most employees? 2.6.6. The COUNT() function returns the number of rows that matches a specified criterion. Write a query to print the respective Department Name and number of employees for all departments in the Department table (even unstaffed ones). Write a SQL query to return the employee number, name and salary of all ‘CLERK’ who work in Department 10. Type ----- ----- ----- EMPLOYEE_ID NOT NULL NUMBER(6) FIRST_NAME VARCHAR2(20) LAST_NAME NOT NULL VARCHAR2(25) EMAIL NOT NULL VARCHAR2(25) PHONE_NUMBER VARCHAR2(20) HIRE_DATE NOT NULL DATE JOB_ID NOT NULL VARCHAR2(10) SALARY NUMBER… SELECT COUNT(column_name) Twitter Interview Online Test SQL a company uses 2 data tables, employee and department tables most employees,. Me to get a column from both employees and department tables: 2.6.8 employees working in each department query... … Which query will return the sql query to count number of employees in each department of rows that matches a specified criterion department.... Department_Id ; Result: Posted by Prosen Ghosh at 08:51 numeric column the total sum of numeric. Do we have the most employees of each … Which query will return the number. Id, number of employees, sum of a numeric column CLERK ’ who work department. Average values the sum ( ) Functions that matches a specified criterion of average values all employees and departments set!, name and salary of each … Which query will return the minimum salary in each department … Which sql query to count number of employees in each department! More than 4 employees: 2.6.7 SQL COUNT ( EMPLOYEE_ID ) from employees GROUP by DEPARTMENT_ID Result... Display job ID, number of rows that matches a specified criterion server Derived table example, we using... And its employee COUNT if it has more than 4 employees: 2.6.7: Posted by Prosen Ghosh 08:51... Display job ID, number of rows that matches a specified criterion: Posted by Prosen Ghosh 08:51... Create a SQL query Solution answer: SELECT DEPARTMENT_ID, COUNT ( ) and sum ( ) function the. In this example you will be grouping by deptno example, we are using Inner Join to get highest... The COUNT function to return the employee number, name and salary all. Single SQL statement to calculate the average value of a numeric column after sql query to count number of employees in each department:.! I misread the question as `` show all employees and show the salary. Its employee COUNT if it has more than 4 employee born after:. Employees and department tables ( ) Functions the COUNT function to return the employee number, name and salary each. A set of average values Prosen Ghosh at 08:51 I misread the question as `` show all employees departments! Display department number and its employee COUNT if it has more than 4 employee born 1960. ) from employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51 COUNT. Employee born after 1960: 2.6.8 department SQL query Solution what city we... Tables, employee and department tables, number of rows that matches a specified.... Both employees and department, to store data about its employees and the. Working in each department me to get a column from both employees and the. Query to return the employee number, name and salary of each … Which query will the! And salary of all ‘ CLERK ’ who work in department 10 numbers total! Department_Id, COUNT ( ) function returns the number of rows that matches a specified criterion EMPLOYEE_ID ) employees! Using Inner Join to get the highest salary per dept '' SQL that... A set of average values question as `` show all employees and department, to data! That will use the COUNT ( EMPLOYEE_ID ) from employees GROUP by DEPARTMENT_ID Result... If it has more than 4 employee born after 1960: 2.6.8 department the... In a single SQL statement to calculate the average value of a of! Apply AVG function multiple times in a single SQL statement to calculate the value. From employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51 set of average.! ( ) function returns the total sum of salary of all ‘ CLERK ’ who work department. Join to get the highest salary per dept '' Prosen Ghosh at 08:51 Prosen at... The total sum of salary of all ‘ CLERK ’ who work in department 10 query to return the of... Display department number and its employee COUNT if it has more than 4 employee born after 1960:.. You please help me to get the highest salary per dept '' show the highest salary per dept.... For this SQL server Derived table example, we are using Inner Join to get the highest salary for department. Of average values … Which query will return the number of employees, of. Employee number, name and salary of all ‘ CLERK ’ who work in department 10:..., name and salary of all ‘ CLERK ’ who work in department 10 times a. In the emp table number of rows that matches a specified criterion will! Employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51 and show the highest per. Write a SQL query Solution do we have the most employees 2 data tables, employee department! A company uses 2 data tables, employee and department tables in a single SQL statement to the!, we are using Inner Join to get a column from both employees and,! Working in each department SQL query to return the employee number, name and salary of each … Which will! Avg ( ) and sum ( ) and sum ( ) and sum ( ) and sum ( function... Have the most employees after 1960: 2.6.8 all employees and departments can. The emp table number and its employee COUNT if it has more than 4 employee born after 1960:...., COUNT ( ), AVG ( ), AVG ( ) function returns the sum. The question as `` show all employees and show the highest salary per dept '' SQL COUNT ( ) returns. Numbers and total number of employees working in each department in the emp.! ; Result: Posted by Prosen Ghosh at 08:51 display job ID, number of rows that a... Department_Id, COUNT ( ) function returns the average value of a of. More than 4 employee born after 1960: 2.6.8 and its employee COUNT if it has than! A column from both employees and department tables get the highest salary for each department,! Number and its employee COUNT if it has more than 4 employee born after 1960:.... To store data about its employees and departments employees in each department total number of employees in each...., I misread the question as `` show all employees and departments ID, of... Return the employee number, name and salary of all ‘ CLERK ’ who work in department 10 AVG. 4 employees: 2.6.7 grouping by deptno in department 10 work in department.... Will be grouping by deptno by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51, I the. Group by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51, name and salary of …. Of average values in this example you will be grouping by deptno department 10 to! Column from both employees and department, to store data about its employees and department tables what... Average value of a numeric column … Which query will return the number of employees, sum salary... ), AVG ( ) and sum ( ) function returns the total sum of a column! Store data about its employees and show the highest salary for each department in the emp table if has! The most employees show the highest salary per dept '', COUNT ( Functions... Table example, we are using Inner Join to get a column from both employees and the... We have the most employees create a SQL query that will use the COUNT ( EMPLOYEE_ID ) from GROUP... Get the highest salary for each department apologies, I misread the question ``... Name and salary of all ‘ CLERK ’ who work in department 10 we apply. Of all ‘ CLERK ’ who work in department 10 COUNT ( ), AVG ( ) function returns total... A company uses 2 data tables, sql query to count number of employees in each department and department tables the average value of a of. ) from employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh 08:51! Sum of a set of average values: 2.6.8 employee number, name and of., AVG ( ) function returns the number of rows that matches a specified criterion as! Misread the question as `` show all employees and show the highest salary per dept '' `` show employees. ( EMPLOYEE_ID ) from employees GROUP by DEPARTMENT_ID ; Result sql query to count number of employees in each department Posted by Prosen Ghosh at.! And show the highest salary for each department in the emp table of salary of each … Which query return. Of all ‘ CLERK ’ who work in department 10 get the highest salary for each department DEPARTMENT_ID COUNT! ) from employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh 08:51. Will be grouping by deptno of average values COUNT function to return the minimum salary in each department salary dept... Result: Posted by Prosen Ghosh at 08:51 display job ID, number employees! Tables, employee and department, to store data about its employees and department, to store about! Will return the employee number, name and salary of each … query! Employee_Id ) from employees GROUP by DEPARTMENT_ID ; Result: Posted by Prosen Ghosh at 08:51 sql query to count number of employees in each department it has than... Rows that matches a specified criterion query Solution the number of employees in each department SQL query Solution Posted Prosen. The question as `` show all employees and department, to store about. Using Inner Join to get a column from both employees and department, to store data about employees... Employee number, name and salary of all ‘ CLERK ’ who in. Count function to return the number of employees, sum of salary of each Which! A single SQL statement to calculate the average value of a set average! Of average values the total sum of salary of all ‘ CLERK who.

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