Performance Tuning

Technical Article

Using ITWIZ.EXE to Automate Index Analysis

  • Article

This process uses ITWIZ.EXE the command line version of the Index Tuning Wizard. SQL trace file information is stored in a table on production then transferred to a non-production server. ITWIZ is then run against the transferred trace data resulting in a UNICODE SQL script. This script has index creation and deletion information as well as script parameters in a remarks section.

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2005-12-29

1,973 reads

Technical Article

How to Set Up a SQL Server Stress Test Environment in 8 Steps: Lessons

  • Article

This article is the third in a series of four where I share my findings on baselining, monitoring, stress testing and performance tuning. It builds on the foundations of my previous articles on baselining and monitoring.

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2005-12-28

3,845 reads

Technical Article

Controlling Transactions and Locks in SQL 2000 and 2005 - Part 3

  • Article

In the preceding articles of this series, Lock Granularity, Transactions, and ACID were introduced. Common lock types, such as Shared, Exclusive, and Update were explored, as well as using SP_Lock to obtain current system lock information. In this article, the normal internal SQL locking methods will be manipulated using Lock Hints in order to obtain finer lock control.

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2005-10-14

4,123 reads

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RegEx Functions IV

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Question of the Day

RegEx Functions IV

I have this data in a table in a SQL Server 2025 database:

EmailAddressID EmailAddress
7              dylan0@ADVENTURE-WORKS.COM
8              Diane1@ADVENTURE-WORKS.COM
If I run this query, which row(s) are returned?
SELECT top 10
 *
 FROM person.EmailAddress
 WHERE REGEXP_LIKE(EmailAddress, '^D', 'i')
 AND BusinessEntityID IN (7,8)

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