This is followed up a blog post of my earlier blog post on the same subject – Introduction to Hierarchical Query using a Recursive CTE – A Primer. In the article we discussed various basic terminology of the CTE. The article further covers following important concepts of common table expression. Let us learn in this video how to do Hierarchical Query using a Recursive CTE.
What is a Common Table Expression (CTE)
Building a Recursive CTE
Identify the Anchor and Recursive Query
Add the Anchor and Recursive query to a CTE
Add an expression to track hierarchical level
Add a self-referencing INNER JOIN statement
One of the very common question I receive on my facebook is that if there is any tutorial for SQL Server 2012 new enhanced features and solutions. I see this demand a bit increasing as the SQL Server 2012 is more and more being adopted. Here is the list of four tutorial which is specifically created for SQL Server 2012 by Microsoft.
Balmukund Lakhani (B | T | S) is currently working as Technical Lead in SQL Support team with Microsoft India GTSC. In past 7+ years with Microsoft he was also a part of the Premier Field Engineering Team for 18 months. During that time he was a part of rapid on-site support (ROSS) team. Prior to joining Microsoft in 2005, he worked as SQL developer, SQL DBA and also got a chance to wear his other hat as an ERP Consultant. Let us learn about Maximum Allowable Length of Characters for Temp Objects is 116.