SQLServerCentral Article

Static Code Analysis: a necessary irritation.

There is little doubt that static code analysis can contribute to code quality and deliverability. As an aid to a developer, it seems increasingly essential, but can it ever deliver reliable metrics of code-quality? One shudders at the potential misuse of quality metrics in the wrong hands. My hope is that it remains just an aid to human judgement; and creativity.

External Article

SQL Monitor Custom Metric: WriteLog Wait Time

During a transaction, data is written to the log cache so that it’s ready to be written to the log file on commit, or can be rolled back if necessary. When the log cache is being flushed to disk, the SQL Server session will wait on the WriteLog wait type. If this happens all the time, it may suggest disk bottlenecks where the transaction log is stored.

External Article

Why Put Your Database into Source Control?

Checking program code into source control is a daily ritual for most developers, but versioning database code is less well-understood. Grant Fritchey argues that getting your databases under source control is not only vital for the stability of development and deployment, but it will make your life easier when something does go wrong.

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BIT_COUNT II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT II

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

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