Articles

External Article

Using Power BI in a Hybrid Environment

This paper describes best practices for security, networking, and component architecture for building a hybrid business intelligence (BI) environment by using a combination of Microsoft Office 365, Microsoft Azure, and on-premises data sources. Many organizations are taking advantage of the benefits of cloud computing such as lower capital expenditures and increased agility, while still maintaining data in on-premises data stores.

2015-10-28

2,633 reads

External Article

The Complete Guide to PowerShell Punctuation

It is the punctuation, the strange dollar signs, brackets and parentheses that bewilder anyone learning PowerShell. Add to that the aliases and you can bewilder everyone. The punctuation is essential, so here is the the complete PowerShell wallchart and guide to Powershell Punctuation. Thanks to Michael Sorens, PowerShell need no longer be perplexing.

2015-10-26

3,688 reads

SQLServerCentral Article

A Simple Formula to Calculate the ISO Week Number

He admits it wasn't his idea but his head sure wishes it was. SQL Server MVP Jeff Moden explains a wonderful, super simple, very high performance formula that will calculate ISO Week Numbers. If you're "stuck" with SQL Server 2005 or less, you're going to like this a whole lot!

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2015-10-23 (first published: )

38,696 reads

External Article

Dependencies and References in SQL Server

It is important for developers and DBAs to be able to determine the interdependencies of any database object. Perhaps you need to work out what process is accessing that view you want to alter, or maybe find out whether that table-type you wish to change is being used. What are all these dependencies? How do you work out which are relevant? Phil Factor explains.

2015-10-23

3,238 reads

External Article

The Oracle PL/SQL Results Cache

Oracle offers a results cache in the database (from 11.2 onwards) and in PL/SQL (again, from 11.2 onwards) which can greatly reduce execution time of repeated statements when insert/update/delete activity is not heavy. The mechanism in PL/SQL, however, may not work as expected with global temporary tables. Using a slightly modified example, Jonathan Lewis looks at what you might see when using this option.

2015-10-22

4,120 reads

Technical Article

Maintaining a grouped running MAX (or MIN)

If you're on SQL Server 2012 or greater, you definitely want to become familiar with all of the extensions to the windowing functions first introduced in SQL Server 2005 – they may give you some pretty serious performance boosts when revisiting code that is still running "the old way." Aaron Bertrand explains.

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2015-10-21

4,230 reads

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BIT_COUNT I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item 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;

See possible answers