Technical Article

Query Hierarchical data Using CTE in T-SQL 2005

In response to Sam Stange's "An old and new way to query Hierarchical data", this script uses the new CTE feature of SQL Server 2005 to display the hierarchical data all at once. I have added a check to prevent infinite loop in case there is a loop in the data (actually, there is one […]

3.67 (3)

You rated this post out of 5. Change rating

2007-04-11 (first published: )

1,431 reads

Technical Article

Function Based Index in T-SQL

To build function based index in SQL Server, you can use indexed view (materialized view) or using a computed column. In this script, I give an exmaple of how to use the computed column to implement a function based index on a table to search through a free formated telephone number column. The basic step […]

5 (3)

You rated this post out of 5. Change rating

2007-04-10 (first published: )

8,726 reads

Blogs

AI Step 1

By

As this is an Artificial Intelligence (AI) World, things are changing. We can see that...

Beginner’s Guide: Building a Dockerized Todo App with React, Chakra UI, and Rust for Backend

By

In a containerized app, React and Chakra UI provide a robust and accessible user...

A New Word: Nachlophobia

By

nachlophobia – n. the fear that your deepest connections with people are ultimately pretty...

Read the latest Blogs

Forums

Call dynamic sql storedprocedure from SSIS execute sql task

By komal145

hi, I have a table called Rules Create table Rules ( Id int ,...

Migrating database with many orphan users.

By JasonO

I am currently upgrading a very old database running SQL Server 2008 to SQL...

Active and Active Cluster

By shiv-356842

Hi Team, I am planning to apply security updates for SQL Server 2016 on...

Visit the forum

Question of the Day

The Funny SELECTs

What is returned from this query?

SELECT
  ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
    WHERE soh.OrderDate >= '01/01/2011' AND soh.OrderDate < '01/01/2012') AS OrdersIn2011
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
    WHERE soh.OrderDate >= '01/01/2012' AND soh.OrderDate < '01/01/2013') AS OrdersIn2012
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
    WHERE soh.OrderDate >= '01/01/2013' AND soh.OrderDate < '01/01/2014') AS OrdersIn2013;

See possible answers