EmployeeDetails, Sql Server

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create table EmployeeDetails (
    empid int,
    fullname varchar(25),
    mngrid int,
    dateofjoining date
    )
    insert into EmployeeDetails values(101,'Ankush Taneja',321,'01/31/2014')
    insert into EmployeeDetails values(121,'Eksha Jain',986,'01/06/2015')
    insert into EmployeeDetails values(421,'Shubham Dabra',876,'09/07/2018')
    
    select * from EmployeeDetails
    
    
create table EmployeeSalary(
    empid int,
    project varchar(10),
    salary int
    )
    
    insert into EmployeeSalary values(101,'P1',8000)
    insert into EmployeeSalary values(121,'P2',10000)
    insert into EmployeeSalary values(421,'P1',12000)
    
 select * from EmployeeSalary
 
 
 select count(empid) Employee_Count , project from EmployeeSalary  where project = 'P1'
 group by project
 
 select fullname from EmployeeDetails ED join EmployeeSalary ES on ED.empid=ES.empid
 where salary between 5000 and 10000 
 
 select count(*) Employee_Count , project from EmployeeSalary
 group by project
 order by Employee_Count asc
 
 
 select SUBSTRING(fullname,0,charindex(' ',fullname)) FIRSTNAME
from EmployeeDetails

View schema
Execution time: 0,03 sec, rows selected: 14, rows affected: 6, absolute service time: 0,23 sec, absolute service time: 0,24 sec