
JAVA SQL HANDS-ON ANSWERS
Handson-1 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;
Handson -2 Display Department Details
select Dept_Id,Dept_Name from Department where Dept_Location='Ground Floor';
Handson – 3 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');
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Handson – 4 Department wise Skill
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select distinct Dept_name,Emp_skill from Departments,Employees where Dept_ID=Emp_Dept_Id order by Dept_Name desc,Emp_Skill;
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Handson – 5 Find items not ordered
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select distinct Item_Name from Items where Item_id not in(select distinct Item_Id from orders);
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