SQL Awesomesauce

Blog Post

Fun with Operator Precedence

Let’s have some fun with operator precedence today. Specifically, logical operator precedence. Specifically, how is it evaluated when your where clause...

2016-01-06 (first published: )

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Using table variables in T-SQL

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Question of the Day

Using table variables in T-SQL

What happens if you run the following code in SQL Server 2022+? 

declare @t1 table (id int);

insert into @t1 (id) values (NULL), (1), (2), (3);

select count(*)
from @t1
where @t1.id is distinct from NULL;
 

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