Grant Fritchey

Grant Fritchey is a SQL Server MVP with over 20 years’ experience in IT including time spent in support and development. Grant has worked with SQL Server since version 6.0 back in 1995. He has developed in VB, VB.Net, C# and Java. Grant has authored books for Apress and Simple-Talk, and joined Red Gate as a Product Advocate in January 2011. Find Grant on Twitter @GFritchey or on his blog as the Scary DBA.

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Technical Article

SQL Server Execution Plans

Every day, out in the SQL Server forums, the same questions come up again and again: why is this query running slow? Why isn't my index getting used? In order to arrive at the answer you have to ask the same return question in each case: have you looked at the execution plan? Grant Fritchey provides the only dedicated and detailed book on this essential topic.

2009-02-10

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SQLServerCentral Article

Putting Unit Tests to Work

Testing is an important part of any software development process, but it's a part that many of us skimp on or ignore because of the tedious nature of testing. Longtime author Grant Fritchey has been working with Visual Studio Team Edition for Database Professionals and has written us an article on how you can make your unit testing easier.

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2008-01-16 (first published: )

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Question of the Day

The Range of Customers

I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC): 

orderid orderdate               customerid complete
3       2025-05-10 00:00:00.0002          1
21      2024-01-10 00:00:00.0003          1
15      2023-10-28 00:00:00.0004   1
13      2025-03-08 00:00:00.0006          1
11      2024-04-02 00:00:00.0007          1
If I run this query, how many rows are returned? 
SELECT *
 from dbo.OrderHeader
 where customerid between 3 and '6'

See possible answers