In my project I see that people writes different things with EXISTS logical operator (EXISTS (SELECT StarOrOne FROM...)). They are "*", "1" and even "TOP 1 1" or "TOP 1 *". The aim of this article to give a good explanation which option is the best.
2020-01-24 (first published: 2017-04-24)
13,976 reads
By Steve Jones
As we try to get through these strange times in the world, I am...
By Will Assaf
Geeked to be speaking 2x on Saturday May 14, my second time speaking at...
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Hi, I hope someone can help. I will try to summarise as best as...
I work on sql server I need to rewrite statement after where statement so...
Hi Everyone. I'm hoping someone can take a look at my code here to...
Ask SSC