Regular Columnist: David Poole

David Poole has been developing business applications since the days of the Commodore Pet. Those were the days when 8K was called RAM not KEYBOARD BUFFER. He specialised in databases at an early stage of his career. He started developing marketing applications using Ashton-Tate dBase II/Clipper, progressing through a variety of PC database applications before working on HP Image/3000 systems. He has spent 5 years as DBA within the Manchester (UK) office of the worlds No 1 advertising agency, where he focussed on data warehousing and systems integration. At present he is working within the web development department of a company specialising in information delivery.

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Antipathy for Entity Attribute Value data models

EAV models have their uses but the costs are often hidden and if not hidden, more than anticipated.   Read more...

By David Poole 2013/01/21 | Source: SQLServerCentral.com | Category: data model

Rating: |  Discuss |   Briefcase | 5,121 reads

Eleven Challenges in Unifying Reference Data

Unifying the reference data across an enterprise can be a bigger job than expected. This article describes one approach to doing so.  Read more...

By David Poole 2012/12/20 | Source: SQLServerCentral.com | Category: reference data

Rating: |  Discuss |   Briefcase | 3,366 reads

Storage - A meeting of minds

Even if you are not an infrastructure guy a good grasp of storage basics will stand you in good stead  Read more...

By David Poole 2012/07/16 | Source: SQLServerCentral.com | Category: storage

Rating: |  Discuss |   Briefcase | 5,023 reads

RegEx for DBAs

RegEx functions are incredibly powerful text handling functions which should be at the top of a data warehouse DBAs list when writing CLR functions  Read more...

By David Poole 2012/05/08 | Source: SQLServerCentral.com | Category: regex

Rating: |  Discuss |   Briefcase | 9,874 reads

Fun with sp_executeSQL

Switching from 32 BIT SQL Server to a 64 BIT edition illustrates how removing a bottleneck from a system can have a detrimental affect overall  Read more...

By David Poole 2012/01/31 | Source: SQLServerCentral.com | Category: nhibernate

Rating: |  Discuss |   Briefcase | 15,642 reads

Mind mapping software - How it can help the DBA

Mind mapping software allows the rapid capture of thoughts and ideas. It is a killer app that can easily help a busy DBA capture their thoughts  Read more...

By David Poole 2011/12/01 | Source: SQLServerCentral.com | Category: mind map

Rating: |  Discuss |   Briefcase | 7,222 reads

sp_prepexec and nHibernate

SQL Server architect David Poole sets about exploring sp_prepexec when called from nHibernate.  Read more...

By David Poole 2011/12/08 | Source: SQLServerCentral.com | Category: sp_prepexec

Rating: |  Discuss |   Briefcase | 7,976 reads

Pascals Triangle, Home Work and Root Cause Analysis

A lively comparison of Pascal's triangle to root cause analysis from David Poole.  Read more...

By David Poole 2011/10/19 | Source: SQLServerCentral.com | Category: troubleshooting

Rating: |  Discuss |   Briefcase | 4,210 reads

An alternative to GUIDs

GUIDs are often regarded as a necessary evil but how necessary are they?  Read more...

By David Poole 2011/09/15 | Source: SQLServerCentral.com | Category: guids

Rating: |  Discuss |   Briefcase | 10,202 reads

An nHibernate Head Scratcher

An interesting mystery on why some nHibernate performance issues might exist on your systems. Read this piece from SQL Server expert David Poole and look to see if this is a problem you can easily solve in your environment.  Read more...

By David Poole 2011/04/11 | Source: SQLServerCentral.com | Category: performance tuning

Rating: |  Discuss |   Briefcase | 6,002 reads

Oiling the gears for the data dictionary

Documenting the database is always a challenge, and there are many techniques you can use to help all the people on your team understand what all your tables are used for. David Poole brings us an easy way to implement a framework for documentation.  Read more...

By David Poole 2011/02/17 | Source: SQLServerCentral.com | Category: documentation

Rating: |  Discuss |   Briefcase | 7,529 reads

A genuine use for a SQL CLR Aggregate

When should you use a SQL CLR Aggregate? Lots of people have struggled with this one, but David Poole found a use, and has some interesting performance data analysis as well.  Read more...

By David Poole 2010/12/29 | Source: SQLServerCentral.com | Category: sqlclr

Rating: |  Discuss |   Briefcase | 8,483 reads

A Quick Look at the MPP World

David Poole takes a look at the Massively Parallel Processing world for database servers.  Read more...

By David Poole 2010/08/11 | Source: SQLServerCentral.com | Category: mpp

Rating: |  Discuss |   Briefcase | 4,397 reads

Time Bomb Design - A Longer Fuse

In a sequel to his first article on Time Bomb Design, David Poole examines the issues we find between development environments and production ones.  Read more...

By David Poole 2010/05/26 | Source: SQLServerCentral.com | Category: database design

Rating: |  Discuss |   Briefcase | 10,295 reads

Scaling Out the Distribution Database

Replication is a great technology for moving data from one server to another, and it has a great many configuration options. David Poole brings us a technique for scaling out with multiple distribution databases.   Read more...

By David Poole 2010/03/30 | Source: SQLServerCentral.com | Category: replication

Rating: |  Discuss |   Briefcase | 5,122 reads

Time Bomb Coding

Do your system contain a time bomb in the code? David Poole looks at some potential situations where you might be experiencing performance issues and delves into why.  Read more...

By David Poole 2010/02/10 | Source: SQLServerCentral.com | Category: performance tuning

Rating: |  Discuss |   Briefcase | 17,288 reads

Database Documentation Using Red Gate's SQLDoc

Longtime author David Poole has written an excellent article about using SQLDoc, from Red Gate Software. Learn how you can document your own databases in this sponsored article.  Read more...

By David Poole 2009/08/10 | Source: SQLServerCentral.com | Category: product reviews

Rating: |  Discuss |   Briefcase | 2,799 reads

Intersect, Except, Union, All and Any

Longtime author and expert DBA David Poole examines a few T-SQL commands that he has never used. Learn how some of these little used T-SQL items function and see if they work for you.  Read more...

By David Poole 2011/12/23 (first published: 2009/07/20) | Source: SQLServerCentral.com | Category: t-sql

Rating: |  Discuss |   Briefcase | 39,452 reads

My Approach to Writing for SQLServerCentral

Are you looking to raise your profile? Add something to your resume? Consider writing for SQLServerCentral. Longtime author and expert David Poole gives us some hints.  Read more...

By David Poole 2009/06/19 | Source: SQLServerCentral.com | Category: sqlservercentral

Rating: |  Discuss |   Briefcase | 2,802 reads

Book Review: The Data Warehousing Toolkit 2nd Edition

Longtime author and SQL Server guru David Poole takes a look at a classic book about Data Warehousing.  Read more...

By David Poole 2009/04/24 | Source: SQLServerCentral.com | Category: book reviews

Rating: |  Discuss |   Briefcase | 2,035 reads

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