Scripts

Technical Article

Kill All Users in A Given Database

This script will kill all users in a given database. Before disconnecting, it can optionally send the user a NET SEND Message giving them a warning to disconnect. To run, simply call it like usp_killusers 'dbname'. Make sure the @dbname parameter is not the master database.

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2001-08-08

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Technical Article

Quickly Enable/Disable Triggers and Constraints

When loading data, nothing can be more frustrating than having to deal with stubborn constraints and triggers. This is especially true when you know your data is fine but the constraints are too prohibitive for a mass initial load. Here's a technique I use to disable the constraints and triggers temporarily during a mass load. […]

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2001-08-08

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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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