Blog

3 min read

TIMESTAMP versus DATE/TIME

Is it better to use a single TIMESTAMP column or two columns, one DATE and the other TIME? Craig Mullins advises in latest blog post.

3 min read

Null Follow-up: IS [NOT] DISTINCT FROM

Datavail consultant Craig Mullins blog on Null Follow-up.

8 min read

Null Troubles

Understanding what nulls are, and how best to use them, can help you to create usable Db2 databases and design useful and correct queries in your Db2 applications.

4 min read

Db2 Best Practices

Is your organizations managing their database infrastructure properly? Craig Mullins discusses db2 best practices here in a new blog post.

3 min read

What is Production Data?

Production data is information that is stored and used by professionals to conduct business processes. It must be managed to ensure its value to the organization

4 min read

Some New Year’s Resolutions for DBAs

Datavail consultant, Craig Mullins weighs in on resolutions that DBAs can stick to in the new year.

3 min read

Which is better? “BETWEEN” vs “

As with most Db2 (and, indeed, IT) issues, the correct answer is “it depends!” Let’s dig a bit deeper to explain what I mean.

4 min read

Evaluating a DBA Job Offer

It’s inevitable that DBAs will change jobs during the course of their careers. Craig Mullins outlines questions to ask & key insights during the interview process.

2 min read

SQL Statements: Replacing UNION with CASE

CASE statements are very powerful and you should use them when you can to create elegant and optimal SQL in your DB2 applications.

4 min read

Quick Thoughts on DB2 Performance

Database performance issues are all about change. Craig Mullins explains in latest blog post.

3 min read

Reading Things That Aren’t There… and Missing Things That Are!

New blog post takes you through a couple DB2 features in order to help you read your data in the database correctly.

7 min read

Data Types: The Importance of Choosing the Correct Data Type

Most DBAs have struggled with the pros and cons of choosing one data type over another. This blog post discusses different situations.