Tag: ISNULL

Is enabling xp_cmdshell a security risk?

After listening to a podcast from Carlos L Chacon (twitter) at SQL Data Partners interviewing Sean McCown (twitter) and some lively discussion on xp_cmdshell, I decided it would be a worthy enough discussion to create a blog post. At a

Posted in SQL Server Tagged with: ,

Database Corruption Challenge Week 7 – Alternate Solution

The alternate solution to the Database Corruption Challenge this week was created by Patrick Flynn. This solution is the only solution to successfully recover all the data without using any of the backups. If the challenge had been structured differently

Posted in Corruption Tagged with: , , , , , , ,

Using the TSQL COALESCE Function

Here is a short video tutorial that shows how to use the COALESCE function in T-SQL on SQL Server. This was originally part of my free SQL query training for the 70-461 certification exam. Here is the first sample code

Posted in 70-461 Training Tagged with: , , , , , ,

SQL Training – Functions (70-461)

In this presentation we will be training on TSQL Functions, there will be three sections. —Date and Time Functions —Logical Functions —User Defined Functions Here is the link to the Google On Air Broadcast where you can watch live (or

Posted in 70-461 Training Tagged with: , , , , , , ,

Simple Cursor Example : FORWARD_ONLY vs FAST FORWARD

First lets take a look at two queries using CURSORS, the first one will use the FORWARD_ONLY type cursor, and the second will use the FAST_FORWARD type cursor. These two types sound very similar, but perform quite differently. Now for

Posted in 70-461 Training, TSQL Tagged with: , , , , , , ,