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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External Article

GDPR in the USA

GDPR enforcement began in May of 2018, but if you are doing business in the US, you may not think it applies to you. Grant Fritchey explains why you might be wrong about that and why you need to act now.

2019-04-16

SQLServerCentral Article

It's an Exciting Time

I read a lot of history (as you no doubt notice from my other editorials). I’m currently reading an excellent book on the air war in World War One, Marked for Death: The First War in the Air. One of the fascinating aspects of the war is just how fast the technology shifted. At the […]

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2018-01-22

57 reads

SQLServerCentral Article

SQL Server Execution Plans, Second Edition by Grant Fritchey

Every Database Administrator, developer, report writer, and anyone else who writes T-SQL to access SQL Server data, must understand how to read and interpret execution plans. This book leads you right from the basics of capturing plans, through how to interrupt them in their various forms, graphical or XML, and then how to use the information you find there to diagnose the most common causes of poor query performance, and so optimize your SQL queries, and improve your indexing strategy.

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2017-02-02

19,256 reads

SQLServerCentral Article

The Red Gate Guide to SQL Server Team-based Development

This book shows how to use of mixture of home-grown scripts, native SQL Server tools,
and tools from the Red Gate SQL Toolbelt, to successfully develop database applications in a team environment,
and make database development as similar as possible to "normal" development.

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2013-08-26

4,776 reads

SQLServerCentral 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.

2013-03-15

51,154 reads

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Question of the Day

Adding new column with DEFAULT II

Which number did the two COUNT(*) return: 

DROP TABLE IF EXISTS #tmp
CREATE TABLE #tmp (id INT NOT NULL)

INSERT INTO #tmp (id) 
SELECT gs.value
  FROM GENERATE_SERIES(1, 5) AS gs

ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value

ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value

SELECT COUNT(*)  FROM #tmp AS t WHERE my_value = 1

See possible answers