SQLServerCentral Editorial

Doing the Right Thing

From the time you rise in the morning until you close your eyes at night, your day is filled with thousands of small decisions, many that you don’t even think about. For each decision that you make, there is a probably a good choice and a poor choice available. Most of the time, the good […]

External Article

Introduction to SQL Server Security — Part 1

Security is often considered the most important of a database administrator's responsibilities. SQL Server has many powerful features for security and protecting data, but planning and effort are required to properly implement them. In this article, the first of a series, Robert Sheldon reviews the many components available to secure and protect SQL Server databases.

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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;
 

See possible answers