The Joy of Null:  Continued

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Archive for April, 2009

The Joy of Null: Continued

April 16th, 2009 by Scott Selikoff

In Part 1 of The Joy of Null I discussed a variety of ways null-equivalent values make it into the software design. Often times, developer laziness or immutability of the database tier drives many developers to insert values that simulate null values, rather than using a database null itself. In this second half, I’ll talk […]

perpetual novice – years of experience vs skill

April 12th, 2009 by Jeanne Boyarsky

Most job listings ask for a certain number of years of experience.  Either in a particular technology or in the industry.  This presumes that the developer learned each year. I read a quote about whether the candidate has five years of experience or the same year of experience five times.  I don’t remember where this […]

The Joy of Null

April 7th, 2009 by Scott Selikoff

Often in the database world, you do not have all the information needed to create a record. For example, you may have a person’s full name but not their middle name or initial, or you might be missing their date of birth. In such cases, the recommended solution is to fill that field with a […]