Sure, I thought. Easy. I wrote a simple SQL query… and hit a wall. It gave me just the first level of subcategories. And that's when I pulled out the hidden gem in SQL's toolkit — Recursive SQL.
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 ...
Nobody taught me this SQL hack 😐 Recursive CTE - one of the most powerful SQL concepts. Most engineers have never written one. Here is everything you need to know ↓ → What is Recursive CTE? • CTE ...
Description: I implemented a Recursive CTE to navigate and visualize a hierarchical organizational structure. My approach followed a two-step logical process: Establishing the Anchor: I first ...
,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 ,case when emp.lvl=1 then ...
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