TCS Java Hackathon - Sql Hands-on

TCS Java Hackathon - Sql Hands-on


Q1. Employee Count

select Departments.deptName,COUNT(Employees.eDeptId) From departments LEFT Join Employees on Departments.deptId=Employees.eDeptId Group By Departments.deptId,Departments.deptName Order by count(Employees.eDeptId) Desc, departments.deptName;



Q2.  Display Department Details

select Dept_Id,Dept_Name from Department where Dept_Location='Ground Floor';



Q3. Display non-Programmer Department name

select distinct Dept_name from Departments,Employees where Dept_ID=Emp_Dept_Id and Dept_name not in (select distinct Dept_name from Departments,Employees where Dept_id=Emp_Dept_Id and Emp_Skill like'Programmer');



Q4.  Department wise Skill

select distinct Dept_name,Emp_skill from Departments,Employees where Dept_ID=Emp_Dept_Id order by Dept_Name desc,Emp_Skill;




Q5. Find items not ordered

select distinct Item_Name from Items where Item_id not in(select distinct Item_Id from orders);

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