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New Redgate University Courses to Advance your Skills

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You may have seen our getting started courses which show you the fundamentals of your Redgate tools. If you are already up to speed and using the tools then you may want to revisit the site as we have added some exciting new courses for SQL Change Automation and SQL Test. These courses aim to give you tips, tricks and ideas on how to utilize your tools to their full potential.

2019-09-23

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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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