If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

cast('' as varchar) as employee_lvl_2, cast('' as varchar) as employee_lvl_3, cast('' as varchar) as employee_lvl_4 select e.employee_number, e.employee_name, e ...

,cast(emp.empConcat + ',' + cast(e.employee_number as varchar) + ',' as varchar(250)) ,case when emp.lvl=1 then emp.employee_name else emp.emp_lvl_1 end as emp_lvl_1 ...