Scripts

Technical Article

Identify Primary Key Violation Prior to Insert (Updated)

This script allows for testing if rows will cause a primary key violations prior to inserting the data.  Offending rows are stored in a table so they can be used in subsequent queries or used to debug bad data issues. This updated version adds a timestamp to the duplicates table so that identifying when the […]

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2003-10-28

1,837 reads

Technical Article

SQL Server Error Log Manager

Provides a method to regularly recycle the sql server error logs based on a given file size.  If the current log file is larger than that size, then the current log is closed and a new log created.This proc takes one parameter, @MaxFileSize, which is the target file size.  This parameter defaults to 10 MB. […]

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2003-10-27

926 reads

Technical Article

User tables documentation - HTML format

It creates documentation for all user tables in a specific database. A server name/ database name was added on the top of the HTML file also a column datatype field was added to the HTML file. Now the @strHTML can have 8000 chars, before only 4000 - still for tables with a lot of columns […]

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2003-10-27

662 reads

Technical Article

compare table counts in two databases

Sound like old hat ... but this procedure accepts the two database names as input parameters; therefore, it must dynamically generate the SQL and use Exec(@command) to execute it.   It also reports on tables that exist in one database but not the other ...  Finally, it uses count(*) to provide more accuracy than using sysindex […]

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2003-10-24

309 reads

Technical Article

sp_toptables

Are you managing big databases with a lot of tables like SAP as I'm?Do you use sp_spaceused, as I'm?Do you want to know your n biggest tables as I'm?Then don't search any longer.I'm using this script every day for may maintenance jobs.I generates, like sp_spaceused, out of sysindexes the n biggest tables without any cursor, […]

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2003-10-20

307 reads

Technical Article

XML Encode UDF

I routinely need to retrieve and package query result sets in an XML package.  The built in functions supported by SQL Server 2000 are effective, but are often more of a pain than a help.  This routine can be used in a simple select statement to XML encode the contents of a column during the […]

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2003-10-14

247 reads

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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;

See possible answers