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The Poster of the Plethora of PowerShell Pitfalls

One of the downsides of learning a new computer language is that transfer of training doesn't always work to your advantage. In fact, the habits you picked up in the past may now cause confusion. In this poster or wall-chart for long walls, Michael Sorens selects the thirty-six most common causes of confusion for anyone getting to grips with PowerShell.

2015-07-08

4,984 reads

External Article

Getting to know your customers better – cohort analysis and RFM segmentation in R

It often pays to use a tool like R, in conjunction with a relational database, to quickly perform a range of analyses, and graphs, in order to ensure that you're answering the right question, to explore alternative hypotheses, or to provide insight into a problem. Feodor demonstrates how to quickly, and interactively, explore the ways that customers purchase goods and services using cohort analysis.

2015-07-06

2,364 reads

External Article

Survey: Development and Test Databases

Unless development happens directly on the production database, every organization will manage one or more development and test instances. Redgate is doing research to learn how development and test databases are managed within organizations. If you’d like to know more about our plans, or are happy to help us understand the problem, please take part in this 3-page survey.

2015-07-01 (first published: )

4,682 reads

External Article

Free Webinar: Can you Automate your Ops Away?

Automation - done right - frees you to add real value to your team, but you've got to be careful not to shoot yourself in the foot. Join Brian A. Randell, Grant Fritchey and Steve Jones as they discuss how to get started when automating your database operations, and what activities are ripe for automation!

2015-06-29 (first published: )

4,173 reads

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BIT_COUNT I

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Question of the Day

BIT_COUNT I

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

UserID  UserPermissions
15
23
37
What is returned when I run this code: 
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;

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