SQl to list rows in not in another table
- by SmartestVEGA
I have the following query which have 1000 rows
select staffdiscountstartdate,datediff(day,groupstartdate,staffdiscountstartdate),EmployeeID from tblEmployees where GroupStartDate < '20100301' and StaffDiscountStartDate '20100301' and datediff(day,groupstartdate,staffdiscountstartdate)1 order by staffdiscountstartdate desc
i have the following query which have 400 rows: ie the employees in tblemployees and in tblcards
select a.employeeid,b.employeeid from tblEmployees a,tblCards b where GroupStartDate < '20100301' and StaffDiscountStartDate '20100301' and datediff(day,groupstartdate,staffdiscountstartdate)1 and a.employeeid=b.employeeid
How to list the employees which is there in tblemployees and not in tblcards?
ie is 1000-400 = 600 rows ???