SQL Quryies

 1.string saparations. query 

select  STRING_AGG(EmpID,',')  From

(

SELECT EmpID FROM tbl_Employee  ORDER BY updatedOn DESC

OFFSET 70 ROWS FETCH NEXT 20 ROWS ONLY

) AS S;

2.in one table you need to get order by for 2 columns
ex:workflowid inorder after that sequence in desc order
for this user 

SELECT WorkFlow_ID, User_ID, MAX(Approver_Sequence) AS MaxApproverSequence

FROM tbl_WorkFlowMembers

WHERE Division_ID='RAIL'

GROUP BY WorkFlow_ID, User_ID

ORDER BY WorkFlow_ID, MaxApproverSequence DESC;