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Lester Knutsen

Lester Knutsen ([email protected]) is president of Advanced Data Tools Corporation, an IBM Informix consulting and training partner specializing in data warehouse developement, database design, performance tuning, and Informix training and support. He is president of the Washington D.C. Area Informix User Group, a founding member of IIUG, an IBM Gold Consultant, and an IBM Data Champion.


Data Transmission for Dynamic Databases

Why database administrators need to pay attention to JSON and NoSQL databases


A Database Utility to the Rescue

How to use the IBM Informix archecker utility to restore a single table and save the day


Feeling Your Informix OATs: Part 2

Apply the OpenAdmin Tool (OAT) environment to advanced Informix database administration


Feeling Your Informix OATs: Part 1

Explore the web-based OpenAdmin Tool (OAT) for making configuration changes not previously considered


Super Fast Transaction Processing

IBM Data magazine congratulates the winners of the Fastest Informix DBA Contest 2013


Query Execution at Blazing Speed

Dramatically accelerate database queries with advanced Informix Warehouse Accelerator

Get up to speed for the fastest Informix DBA contest

Get Up to Speed for the Fastest Informix DBA Contest

Build on DBA skills while taking advantage of a time extension for the 2013 contest

Putting database administrator skills to the test

Putting Database Administrator Skills to the Test

Tune online transaction and batch processing on the same server in the Fastest Informix DBA Contest

Minimizing buffer turnover rate

Minimizing Buffer Turnover Rate

Optimize Informix database server memory management to help reduce database memory churn

Informix 12.10 New Grid Queries

Informix 12.10: New Grid Queries

A paradigm shift in thinking about database queries

Database-Driven Websites - Using PHP with Informix

Database-Driven Websites: Using PHP with Informix

Why PHP and Informix?

Are Your Database Backups Safe

Are Your Database Backups Safe?

Using archecker to make sure your database backups work properly