Indexes, Indexes, Indexes
This article has a description of an index utilization tool that Ron Johnson uses to analyze the effectiveness and use of indexes in a system.
TSQL Challenge 81 - Create a Game schedule generator in TSQL
This challenge is to generate a game scheduler based on the Teams given in a table.
Fix Failures Fast
A new study from Microsoft Research looks at failures in PCs. Steve Jones thinks there are a few things worth talking about for DBAs.
Generating Non-uniform Random Numbers with SQL
Some FUNCTIONs to help generate non-uniform random numbers from uniform random numbers including Normal, Multinomial, etc.
Email Job Failures Report to DBA using PowerShell
MySQL introduced its own brand of job scheduling, called Events, in version 5.1. However, some Database Administrators (DBAs) feel that it isn't quite ready for prime time. This article presents a hybrid solution that uses MySQL Event Scheduling to manage the batch jobs and Windows PowerShell for the error handling.
Security and Honesty
Today Steve Jones talks security and the need for us to share information about issues, especially those that impact security.
Using a PowerShell Script to delete old files for SQL Server
Many clients are using custom stored procedures or third party tools to backup databases in production environments instead of using database maintenance plans. One of the things that you need to do is to maintain the number of backup files that exist on disk, so you don't run out of disk space. There are several techniques for deleting old files, but in this tip I show how this can be done using PowerShell.
SQL Server 2012 - New Service Broker Features
SQL Server 2012 came with bells and whistles for service broker, that give you plenty reasons to start using service broker in your applications.
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Forums
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
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 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers