count Archives - Oracle SQL Tips, Tricks and Hacks

Count(*) Vs Count(1) Again?

Posted on January 31, 2017 by Carlos

I decided to write this article because the question about COUNT(*) Vs COUNT(1) keeps being asked, and I usually find myself explaining my answer again and again and/or looking for links to someone else’s articles that can help support my… Continue Reading →

The Powerful DECODE Function

Posted on August 25, 2015 by Carlos

Oracle’s DECODE is one of the functions I find more powerful and one that over the years I have used thousands of times to solve several different kinds of problems. Here I’m going to talk a little bit about how… Continue Reading →